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First Quarter Remediation

Total questions: 200

Worksheet time: 7hrs 40mins

Name
Class
Date
1.

The parts of the experiment that are kept the same for all groups are called...

a)

Control Groups

b)

Controlled Variables

c)

Test Variables

d)

Outcome Variables

2.

The variable that the scientist changes on purpose is..

a)

Controlled Variables

b)

Control Groups

c)

Test Variable

d)

Outcome Variable

3.

The variable that is being counted, or measured at the end of the experiment is known as ...

a)

Controlled Variables

b)

Control Group

c)

Test Variable

d)

Outcome Variable

4.

I am testing the melting time of ice cream with different toppings. Which of these would be my control group?

a)

vanilla ice cream

b)

vanilla ice cream with sprinkles

c)

vanilla ice cream with hot fudge

d)

vanilla ice cream with caramel

5.

Mrs. Szerdy wants to see if studying time affects test scores...She gives all 6 classes the same test but assigns different study times. What is the controlled variable?

a)

Study Times

b)

Test Scores

c)

The Test

6.

Mrs. Szerdy wants to see if studying time affects test scores...She gives all 6 classes the same test but assigns different study times. What is the test variable?

a)

Study time

b)

Test score

c)

The test

7.

Mrs. Szerdy wants to see if studying affects test scores... She gives all 6 classes the same test but assigns different study times. What is the outcome variable?

a)

Study time

b)

Test Score

c)

The test

8.

Plants grow best in colored light. What is the test variable of this statement?

a)

Plant Growth

b)

Colored Light

9.

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the test variable?

a)

Type of gasoline

b)

which car the gas is put into

c)

how fast the car can drive

d)

how much gas is put into the car

10.

Mrs. Szerdy set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the test variable.

a)

Distance traveled by the ball

b)

Height of the ramp

c)

Mass of the ball

d)

Who set up the experiment

11.

Mrs. Szerdy set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the outcome variable?

a)

Distance traveled by the ball

b)

Height of the ramp

c)

Mass of the ball

d)

Where the experiment took place.

12.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
13.

The yard is wet so it must have rained last night is an example of a (an)

a)

constant

b)

hypothesis

c)

inference

d)

prediction

14.

This is a test to see if your hypothesis is correct.

a)

Observe

b)

Experiment

c)

Analyze

d)

Conclude

15.

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What should be the controlled variable?

a)

Type of gasoline

b)

Type of car

c)

Speed of car

16.

This is the group of the experiment that does NOT receive the test variable. This group is used for comparison.

a)

Control Group

b)

Controlled Variable

c)

Test Variable

d)

Outcome Variable

17.

Using one or more of your senses to gather information is called

a)

Inferring

b)

Observing

c)

Predicting

d)

Hypothesizing

18.

A testable statement that predicts the outcome of an experiment

a)

theory

b)

law

c)

hypothesis

d)

conclusion

19.

Sir Isaac Newton’s study of gravity resulted in a scientific _____ since it makes predictions based on a pattern in nature.

a)

theory

b)

hypothesis

c)

law

20.

A proven statement that describes or explains a process in nature is a...

a)

theory

b)

law

c)

hypothesis

21.
At one point in time, many people thought disease was caused by fate or by incorrect behavior. Following the invention of the microscope, bacteria were discovered. After this, a new theory of what causes disease arose that was known as the germ theory.  Why was the original theory modified? 
a)
It quickly became obvious that germs cause disease.
b)
The person who invented the microscope became ill.
c)
New evidence prompted revision to the original ideas.
d)
The proponents of the germ theory had political power.
22.
Newton’s third law of motion states that for every action there is an equal and opposite reaction. How does this law differ from a theory?
a)
A theory explains a set of well tested observations; a law describes a pattern in nature.
b)
Laws can be changed with the addition of new evidence but theories cannot.
c)
A law explains a pattern in nature in more detail than a theory. 
d)
Theories are based on more evidence than laws.
23.

What is an inference?

a)

Just a guess.

b)

A statement that explains what happened based on your observations.

c)

The same as an observation.

d)

Examples of something.

24.
When a another scientist does someone's experiment to see if the results are valid?
a)
repetition
b)
replication
c)
experimental method
d)
controlled variable
25.

Josh goes to Silver River each week for 4 weeks and collects 5 samples of water to test the pH.

a)

repetition

b)

replication

26.
Which of the following is an observation of the picture?
a)
The person is wearing a T-shirt
b)
It is a sunny day
c)
The person is going to a birthday party
d)
The gift is a DVD player
27.
What is an inference? 
a)
Just a guess.
b)
A statement based off of your observations. 
c)
The same as an observation. 
d)
Examples of something. 
28.
What is an observation for this picture?
a)
The man is scared
b)
The man is going to get eaten
c)
There is a man in a kayak
d)
The man is paddling fast
29.
Which of the following statements is an inference of the picture?
a)
A student is roasting a marshmallow
b)
Two students are listening through cups
c)
The teacher is not in the classroom
d)
A student is setting off a rocket
30.
She is holding an umbrella
a)
observation
b)
inference
31.
It is raining outside
a)
observation
b)
inference
32.

Science is the study of ______________.

a)

the natural world.

b)

the ocean.

c)

experiments.

d)

everything.

33.

The process of science involves ______________.

a)

observing

b)

experimenting

c)

posing questions

d)

All of the above

34.

A sketch can be a type of model.

a)

true

b)

false

35.

A graph can be a type of model.

a)

true

b)

false

36.
A _____________________ is something that scientists use to represent an object or process
a)
mass
b)
matter
c)
model
d)
weight
37.
Sal is studying the solar system. He makes a physical model using different-sized foam balls to represent the planets. Which best describes why a physical model is a useful tool for studying the solar system?
a)
Solar system models can be used to study a system that is too big to study directly.
b)
A model of the solar system eliminates the need for scientists to study the solar system directly.
c)
A model of the solar system provides an exact replica of the actual solar system, so scientists can experience what each planet is like.
d)
A model of the solar system can provide more data about the solar system than direct observations.
38.

Models can be helpful in scientific investigations because

a)

it may not be possible to work with the real thing.

b)

they can be smaller and more manageable than the real thing.

c)

they can be safer to work with than the real thing.

d)

all of the above

39.
What is the advantage of creating a model of a dinosaur?
a)
they are too large to easily study 
b)
they are too complicated to study
c)
Real dinosaurs cannot be studied because they are extinct
d)
The model is safer to work with. 
40.
As technology continues to improve, our understanding of science improves, because more advanced tools allow us to make better observations of the natural world.
a)
True
b)
False
41.
Science or Pseudoscience:  Personal bias and the opinion of the scientist.
a)
Science
b)
Pseudoscience
42.
Science or Pseudoscience:  Changing the data so that it supports my prediction.
a)
Science
b)
Pseudoscience
43.
In order for an explanation to be considered scientific, it must be based on ____________.
a)
an inference
b)
a conclusion
c)
past experience
d)
evidence
44.

What is pseudoscience?

a)

A set of beliefs whose conclusions and predictions that is NOT based on observation, objective reasoning, or scientific evidence.

b)

A set of beliefs whose conclusions and predictions that is based on observation, objective reasoning, or scientific evidence.

45.
Which question can best be investigated by a scientist?
a)
Should I buy a red shirt or a green shirt?
b)
Does chocolate milk or plain milk taste better?
c)
Does a plant need sunlight to grow?
d)
Which feels softer, cat fur or dog fur?
46.

Which is not a pseudoscience?

a)

Internet miracle cures

b)

Astrology

c)

Superstitions

d)

Biology

47.
The word stem pseudo- means:
a)
false
b)
true
c)
understand
d)
science
48.
Which one the following is NOT a branch of science, but a pseudoscience because it not testable, repeatable and observable by scientific standards. 
a)
A. astronomy: study of physical objects (such as stars, galaxies, planets, moons, asteroids, comets and nebulae) and processes (such as supernovae explosions, gamma ray bursts, and cosmic microwave background radiation)
b)
B. physics: the study of properties of matter and energy (mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms)
c)
C. biology: the study of living organisms
d)
D. astrology: the study of how the positions of the stars and movements of the planets have a supposed influence on events and on the lives and behavior of people
49.
If something cannot be observed using the 5 senses, is not testable or repeatable, then it is not science. 
a)
True
b)
False
50.
Science or Pseudoscience:  Designing an experiment to test the durability of a new type of rope.
a)
Science
b)
Pseudoscience
51.
Science or Pseudoscience:  Using technology to measure distance during an investigation.
a)
Science
b)
Pseudoscience
52.
Is the systematic study of natural events and conditions.  It is NOT based on opinions. 
a)
Science
b)
pseudoscience
c)
theory
d)
fieldwork
53.
Science is a way of knowing and understanding the ________ world around us. 
a)
Abstract
b)
Natural and Physical
c)
Crazy
d)
Spiritual
54.

A guy on YouTube explains that the Earth is flat. What are some clues that this is pseudoscience?

a)

He does not work for a recognized institution, like a university.

b)

He does not have credentials, like an advanced degree.

c)

He uses stories and examples, not data and numbers.

d)

All of the above.

55.

The variable that the scientist changes on purpose is..

a)

Controlled Variable

b)

Control Group

c)

Test Variable

d)

Outcome Variable

56.

The variable that is being counted, or measured at the end of the experiment is known as ...

a)

Controlled Variable

b)

Control Group

c)

Test Variable

d)

Outcome Variable

57.

I am testing the melting time of ice cream with different toppings. Which of these would be my control group?

a)

vanilla ice cream

b)

vanilla ice cream with sprinkles

c)

vanilla ice cream with hot fudge

d)

vanilla ice cream with caramel

58.

•I want to make the biggest bubbles. I test three different bubble solutions. I find the average size of bubbles from each solution. What is the test variable?

a)

Type of bubble solution

b)

Size of bubble

c)

Number of bubbles

d)

Amount of bubble solution.

59.

•I want to make the biggest bubbles. I test three different bubble solutions. I find the average size of bubbles from each solution. What is the outcome variable?

a)

Type of bubble solution

b)

Size of bubble

c)

Number of bubbles

d)

Amount of bubble solution.

60.

•I want to find which cheese makes a rat run through a maze the fastest. I time how long it takes a rat to complete the maze with cheddar, mozzarella, and swiss cheese. What is the test variable?

a)

Type of rat

b)

Type of cheese

c)

Type of maze

d)

Time to complete the maze

61.

•I want to find which cheese makes a rat run through a maze the fastest. I time how long it takes a rat to complete the maze with cheddar, mozzarella, and swiss cheese. What is the outcome variable?

a)

Type of rat

b)

Type of cheese

c)

Type of maze

d)

Time to complete the maze

62.

•I think playing music during a test will improve student scores. I give 3 groups of students a test. One group listens to classical music, one group listens to heavy metal, one group has no music. I compare the test scores. What is the test variable?

a)

Number of students

b)

Type of music

c)

Test scores

d)

Type of test

63.

•I think playing music during a test will improve student scores. I give 3 groups of students a test. One group listens to classical music, one group listens to heavy metal, one group has no music. I compare the test scores. What is the outcome variable?

a)

Number of students

b)

Type of music

c)

Test scores

d)

Type of test

64.

•I think playing music during a test will improve student scores. I give 3 groups of students a test. One group listens to classical music, one group listens to heavy metal, one group has no music. I compare the test scores. What would be the control group?

a)

The group with heavy metal music

b)

The group with classical music

c)

The group with no music

d)

There is no control group

65.

•I think that PC computers are easier to use than Mac computers. I give 2 groups of students a computer task. One group works on a Mac, the other group on a PC.

I measure who finishes the task faster. What is the test variable?

a)

Type of computer

b)

Type of task

c)

Amount of time

d)

Number of students

66.

•I think that PC computers are easier to use than Mac computers. I give 2 groups of students a computer task. One group works on a Mac, the other group on a PC.

I measure who finishes the task faster. What is the outcome variable?

a)

Type of computer

b)

Type of task

c)

Amount of time

d)

Number of students

67.

•I want to build a robot that can turn very easily. I have one robot with 3 wheels and another robot with 4 wheels. I compare the turning radius of both robots. What is the test variable?

a)

Number of wheels on the robot

b)

What the robot is made of

c)

Turning radius of robot

d)

Number of robots

68.

•I want to build a robot that can turn very easily. I have one robot with 3 wheels and another robot with 4 wheels. I compare the turning radius of both robots. What is the outcome variable?

a)

Number of wheels on the robot

b)

What the robot is made of

c)

Turning radius of robot

d)

Number of robots

69.

•I want to attract hummingbirds to my birdfeeder. I change the color of the sugar solution in the feeder and count the number of hummingbirds that drink from the feeder. What is the test variable?

a)

Type of bird

b)

Number of hummingbirds

c)

Color of the sugar solution

d)

Type of birdfeeder

70.

•I want to attract hummingbirds to my birdfeeder. I change the color of the sugar solution in the feeder and count the number of hummingbirds that drink from the feeder. What is the outcome variable?

a)

Type of bird

b)

Number of hummingbirds

c)

Color of the sugar solution

d)

Type of birdfeeder

71.

•I want to know what color car gets the most speeding tickets. I compare police records to find out if red cars, yellow cars, or blue cars get the most tickets. What is the test variable?

a)

Number of tickets

b)

Color of car

c)

Model of car

d)

Speed of the car

72.

•I want to know what color car gets the most speeding tickets. I compare police records to find out if red cars, yellow cars, or blue cars get the most tickets. What is the outcome variable?

a)

Number of tickets

b)

Color of car

c)

Model of car

d)

Speed of the car

73.

•I think that taller people always score more points in a basketball game. During a basketball game, I record the number of points that each player scores. Then I compare height of the player to the amount of points. What is the test variable?

a)

Number of points

b)

Number of players

c)

Height of players

d)

Type of game

74.

•I think that taller people always score more points in a basketball game. During a basketball game, I record the number of points that each player scores. Then I compare height of the player to the amount of points. What is the outcome variable?

a)

Number of points

b)

Number of players

c)

Height of players

d)

Type of game

75.

•I think that taller roller coasters go faster than shorter roller coasters. I compare the speeds of a tall roller coaster, a medium roller coaster, and a short roller coaster. What is the test variable?

a)

Height of roller coaster

b)

Speed of roller coaster

c)

Location of roller coaster

d)

Number of hills in the roller coaster

76.

Anything that has mass and takes up space is called ________ .

a)

Matter

b)

Energy

c)

Atom

d)

Molecule

77.

All elements are made of basic particles called _________________.

a)

Compounds

b)

Mixtures

c)

Atoms

d)

Molecules

78.

A neutral particle of an atom

a)

Atom

b)

Proton

c)

Neutron

d)

Electron

79.

A negatively charged particle of an atom

a)

Atom

b)

Proton

c)

Neutron

d)

Electron

80.

The smallest particle that has the characteristics of the element

a)

Atom

b)

Proton

c)

Neutron

d)

Electron

81.

A positively charged particle of an atom

a)

Atom

b)

Proton

c)

Neutron

d)

Electron

82.

These particles have a mass of roughly 0.0005 AMU.

a)

Atom

b)

Proton

c)

Neutron

d)

Electron

83.

These particles have a mass of roughly 1 AMU

a)

Atom & Protons

b)

Proton & Electrons

c)

Neutron & Protons

d)

Electron & Neutrons

84.

Letter A represents the ________.

a)

Proton

b)

Neutron

c)

Nucleus

d)

Electron

85.

Letter B represents the....

a)

Proton

b)

Neutron

c)

Nucleus

d)

Electron

86.

Letter C represents the....

a)

Proton

b)

Neutron

c)

Nucleus

d)

Electron

87.

Letter D represents the....

a)

Proton

b)

Electron Shell

c)

Nucleus

d)

Electron

88.

Letter E represents the....

a)

Proton

b)

Electron Shell

c)

Nucleus

d)

Electron

89.

What is the atomic number of Neon (Ne)?

a)

18

b)

2

c)

10

d)

20

90.

What is the atomic number of Iron (Fe)?

a)

26

b)

82

c)

56

d)

4

91.

What is the approximate atomic mass of Zinc (Zn)?

a)

30

b)

65

c)

35

d)

4

92.

What is the approximate atomic mass of Fluorine (F)?

a)

19

b)

9

c)

17

d)

2

93.

How many protons are found in Nitrogen (N)?

a)

15

b)

14

c)

7

d)

11

94.

How many protons are found in Lithium (Li)?

a)

3

b)

2

c)

7

d)

4

95.

How many electrons are found in Boron (B)?

a)

5

b)

11

c)

13

d)

6

96.

How many electrons are found in Copper (Cu)?

a)

64

b)

35

c)

6

d)

29

97.

How many neutrons are found in Potassium (K)?

a)

19

b)

39

c)

20

d)

58

98.

How many neutrons are found in Ruthenium (Ru)?

a)

57

b)

44

c)

145

d)

101

99.

What is the name of the element with the symbol Hg?

a)

Hydrogen

b)

Helium

c)

Mercury

d)

Helonium

100.

What is the name of the element with the symbol Au?

a)

Aluminum

b)

Argon

c)

Gold

d)

Americium

101.

In an atom, the number of protons always equals the number of _________.

a)

Nuclei

b)

Electrons

c)

Neutrons

d)

Isotopes

102.

The atomic mass of an element is based on the _________________.

a)

Number of protons

b)

Number of neutrons

c)

Number of protons and electrons

d)

Number of protons and neutrons

103.

In the periodic table, a horizontal row is called a ____________.

a)

Section

b)

Group

c)

Family

d)

Period

104.

In the periodic table, a vertical column is called a ______________.

a)

Section

b)

Category

c)

Group/Family

d)

Period

105.

From an element’s location on the periodic table, you can predict _____________.

a)

Its chemical properties

b)

Its chemical name

c)

Its chemical symbol

d)

When it was discovered

106.

Which group contains the most elements?

a)

Metalloids

b)

Nonmetals

c)

Metals

d)

Transition Elements

107.

Which of the following pairs of elements would

have the most similar properties.

a)

Hydrogen (H) & Beryllium (Be)

b)

Sodium (Na) & Magnesium (Mg)

c)

Potassium (K) & Sodium (Na)

d)

Calcium (Ca) & Scandium (Sc)

108.

Which of the following statements about atoms is true?

a)

They are the same for all elements

b)

They are both stable and nonradioactive

c)

They are arranged in the periodic table according to number of protons

d)

They are made up of protons and electrons in a nucleus surrounded by orbiting neutrons.

109.

In the periodic table, which of the following describes atoms with similar chemical behavior and properties?

a)

They have similar atomic masses.

b)

They are located in the same group/family.

c)

They are located in the same period.

d)

They have the same number of isotopes.

110.

Which of the following statements regarding the periodic table is true?

a)

The periodic table does NOT list all of the known elements in the universe.

b)

All elements on the periodic table are made up of the same fundamental particles: protons, neutrons, and electrons.

c)

It is impossible to predict the properties of elements based on their position in the periodic table.

d)

All nonliving things consist of elements on the periodic table. All living things consist of things that are not listed on the periodic table.

111.

Why is the mass of a carbon atom greater than the mass of its protons and electrons?

a)

The mass of a proton is greater than the mass of an electron.

b)

A proton is positively charged and an electron is negatively charged.

c)

Most of the atom’s volume is in the sphere-shaped cloud of electrons.

d)

The neutrons in the nucleus add mass to the atom.

112.

Which of these elements would have chemical properties that are most similar to Nitrogen (N).

a)

Carbon (C)

b)

Neon (Ne)

c)

Phosphorous (P)

d)

Oxygen (O)

113.

The periods in the periodic table are…

a)

The vertical columns of the periodic table

b)

The horizontal rows of the periodic table.

114.

Group or family on the periodic table is….

a)

The vertical columns of the periodic table

b)

The horizontal rows of the periodic table.

115.

Metals on the periodic table are…

a)

An element that has some characteristics of both metals and non-metals.

b)

An Element that lacks most of the properties of a metal.

c)

A class of elements characterized by physical properties that include shininess and conductivity.

116.

Non-metals on the periodic table are…

a)

An element that has some characteristics of both metals and non-metals.

b)

An Element that lacks most of the properties of a metal.

c)

A class of elements characterized by physical properties that include shininess and conductivity.

117.

Metalloids on the periodic table are…

a)

An element that has some characteristics of both metals and non-metals.

b)

An Element that lacks most of the properties of a metal.

c)

A class of elements characterized by physical properties that include shininess and conductivity.

118.

What is a chemical Symbol?

a)

The number of protons in the nucleus and the number of electrons in the electron cloud.

b)

The sum of the protons and neutrons.

c)

A one or two letter abbreviation derived from the elements English of Latin name.

119.

What does the term atomic number mean?

a)

The number of protons in the nucleus and the number of electrons in the electron cloud.

b)

The sum of the protons and neutrons.

c)

A one or two letter abbreviation derived from the elements English of Latin name.

120.

What does the term atomic mass mean?

a)

The number of protons in the nucleus and the number of electrons in the electron cloud.

b)

The sum of the protons and neutrons.

c)

A one or two letter abbreviation derived from the elements English of Latin name.

121.

What state of matter are most of the elements in the periodic table?

a)

Solid

b)

Liquid

c)

Gas

122.

What happens to atomic number as you go left to right across the periodic table?

a)

It decreases

b)

It stays the same

c)

It increases

d)

It increases and then Decreases

123.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
124.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
125.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
126.

These are found on the Periodic Table.

a)

Compounds

b)

Elements

c)

Mixtures

d)

Molecules

127.

what is the biggest group on the table

a)

metals

b)

nonmetals

c)

metaloids

d)

halogens

128.

How many protons are on one atom of Nitrogen?

a)

14

b)

7

c)

15

d)

18

129.

How many neutrons are in the atom "K"?

a)

19

b)

2

c)

39

d)

20

130.

Beryllium has how many electrons?

a)

4

b)

9.0122

c)

2

d)

13.0122

131.

What information do we get from the Periods on the periodic table?

a)

Number of Protons

b)

Number of Electron Shells

c)

Elements with similar characteristics

d)

Number of Neutrons

132.

What information do we get from Families on the periodic table?

a)

Number of Protons

b)

Number of Electron Shells

c)

Elements with similar characteristics

d)

Number of neutrons

133.

What information do we get from Families on the periodic table?

a)

Number of Protons

b)

Number of Electron Shells

c)

Elements with similar characteristics

d)

Number of neutrons

134.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
135.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
136.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
137.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
138.

Most of the mass of an atom is found in the ______.

a)

nucleus

b)

proton

c)

electron cloud

d)

isotope

139.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
140.

Atoms make up...

a)

All living things only

b)

All nonliving things only

c)

All living and nonliving things

141.
A pure substance that cannot be broken down into other substances by chemical or physical means. 
a)
compound          
b)
atom
c)
mixture 
d)
element
142.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

143.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

144.

Which of these is a mixture?

a)

Laundry Detergent

b)

Salt (NaCl)

c)

Oxygen (O)

d)

Fluorine (Fl)

145.

Air is:

a)

An element

b)

A compound

c)

A mixture

d)

None of these

146.
What is an example of a mixture?
a)
iron
b)
ice
c)
soil
d)
gold
147.
Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?
a)
The salad and fruit drink are both mixtures.
b)
The salad and the fruit drink are both solutions.
c)
The fruit drink is a mixture because the ingredients can't be separated.
d)
The salad is a solution because the ingredients can't be separated.
148.

Which of the following is classified as a pure substance?

a)

Lemonade

b)

Fruit punch

c)

ketchup

d)

Helium

149.
A mixture that is uniform and well mixed is _____.
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
compoud
150.
The picture shown here is what type of mixture?
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
element
151.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
152.

What is this?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

153.
Milk
a)
Heterogeneous mixture
b)
Homogeneous mixture
154.
cake batter
a)
heterogeneous mixture
b)
homogeneous mixture
155.
Chicken noodle soup
a)
heterogeneous mixture
b)
homogeneous mixture
156.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous MIxture

157.

What is it?

a)

Pure Substance

b)

Mixture

158.

What is it?

a)

Pure Substance

b)

Mixture

159.

When there is one type of atom

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

160.

When there is 2 or more atoms combined together

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

161.

Salt

a)

Mixture

b)

Compound

162.

Water

a)

Element

b)

Compound

163.

Oxygen

a)

Element

b)

Compound

164.

Saltwater

a)

Mixture

b)

Compound

165.

Air

a)

Homogeneous mixture

b)

Heterogeneous mixture

166.

Which of the following statements is true concerning acids and bases?

a)

acids and bases don't react with each other

b)

acids mixed with bases neutralize each other

c)

acids mixed with bases make stronger bases

d)

acids mixed with bases make stronger acids

167.

Neutral solutions have a pH of:

a)

0

b)

1

c)

7

d)

14

168.

Which is true?

a)

pH of less than 7 is basic; pH of more than 7 is acidic

b)

pH of less than 7 is acidic; pH of more than 7 is basic

169.

Vinegar, fruit juice, and cola are examples of:

a)

strong acids

b)

strong bases

c)

strong bases

d)

weak acids

170.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

171.

Is laundry detergent an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

172.

Ammonia is found in many household products, including window cleaner. What is the pH of ammonia?

a)

It's acidic.

b)

It's basic.

c)

It's neutral.

173.

Is pure water acidic, basic, or neutral?

a)

Acidic

b)

Basic

c)

Neutral

174.

Vinegar is an example of:

a)

An acid.

b)

A base.

c)

Neither an acid nor a base.

175.

Stronger acids have a pH closer to...

a)

7

b)

0

c)

14

d)

9

176.

Weaker bases have a pH closer to...

a)

8

b)

0

c)

14

d)

4

177.

A pH level of 7 indicates

a)

acid

b)

base

c)

neutral

d)

none of the following

178.

The pH scale is a range from:

a)

1-7

b)

0-14

c)

1-5

d)

1-14

179.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
180.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
181.

What is the only substance with a neutral pH of 7?

a)

Milk

b)

Orange Juice

c)

Pure water

d)

Bleach

182.

Which of the following is an acid?

a)

soap

b)

baking soda

c)

orange juice

d)

pure water

183.

What would be considered the weakest base?

a)

3

b)

14

c)

8.2

d)

11.6

184.

Which property is not associated with acids?

a)

Sour taste

b)

strong acids can burn you

c)

turns litmus paper blue

d)

reacts with metals

185.

Tastes bitter.

a)

Acids

b)

Bases

c)

None of the following

d)

Acids & Bases

186.

What would be considered the strongest base?

a)

8

b)

14

c)

7.8

d)

11.6

187.

You test a solution with pH paper, and the paper turns blue. The solution is ______.

a)

neutral

b)

an acid

c)

a base

d)

an acid & a base

188.

Tastes sour

a)

acid

b)

base

c)

neutral

d)

both acids & bases

189.

What type of paper is used to test for acids and bases?

a)

Red paper

b)

Blue paper

c)

Lined paper

d)

Litmus paper

190.
Which one of the following would you use to separate sand from iron filings?
a)
a bar magnet
b)
filter paper
c)
chromatography paper
d)
alum
191.
Water and alcohol are easily separated by distillation because of their
a)
 different melting points
b)
different colours
c)
different densities
d)
different boiling points
192.
To separate a mixture of soil and water what separation method is used?
a)
Filtration
b)
Distillation
c)
Chromatography
d)
Evaporation
193.
To separate a mixture of salt and water what separation method is used?
a)
Filtration
b)
Distillation
c)
Chromatography
d)
Evaporation
194.

Solubility is defined as

a)

the ability to catch on fire

b)

the ability to be dissolved

c)

the ability to fly.

195.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
196.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
197.
In a sample of salt water, NaCl would be considered the ______.
a)
Solution
b)
Solute
c)
Solvent
d)
Solvation
198.
If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?
a)
water
b)
powder
c)
sugar
d)
powder and sugar
199.
In this mixture, which of the following will be the solute?
a)
The water in the glass
b)
The glass that holds the final mixture
c)
The solution containing both powder and water
d)
The powder on the spoon
200.
When a solution is saturated:
a)
No additional material will dissolve in it
b)
You need to stir it more 
c)
Two materials have combined to create a clear liquid
d)
Crystals form 

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