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Dr. Potts - Q1 Test Review

Total questions: 93

Worksheet time: 57mins

Name
Class
Date
1.

Air is:

a)

An element

b)

A compound

c)

A mixture

d)

None of these

2.

Most of the mass of an atom is because of the total mass of the .......

a)

The electrons and protons

b)

The protons & neutrons

c)

The electrons and neutrons

d)

The electron cloud

3.
In which region would the nonmentals be found?
a)
1
b)
4
c)
3
d)
5
4.
The blue elements are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
5.

Pure substances include:

a)

Elements

b)

Homogeneous Mixtures

c)

Compounds

d)

Heterogeneous Mixtures

6.

An element is?

a)

Chemically combined

b)

Pure substances that can be broken down

c)

Pure substances that cannot be broken down into simpler substances

d)

One or more elements chemically combined.

7.

If Oxygen has an atomic mass of 16. What does this tell you about oxygen?

a)

the number of electron shells in an oxygen atom

b)

the number of protons and neutrons in the nucleus of an oxygen atom

c)

the number of electrons orbiting the nucleus of an oxygen atom

d)

the number of electron shells in an oxygen atom

8.
a)

Pure Substance

b)

MIxture

9.

The horizontal rows on the PTE are

a)

The groups, The group # tells how many electron shells are required to house the electrons of one atom of each element.

b)

The families, The family # tells how many electron shells are required to house the electrons of one atom of each element.

c)

The period. It list elements that are similar in chemical and physical properties

d)

The period, The period # tells how many electron shells are required to house the electrons of one atom of each element.

10.

Nickel has the chemical symbol Ni and atomic number 28. It is a silvery-white metal and cannot be broken down physically or chemically into a more simple substance. Nickel is a ___________________ .

a)

element

b)

compound

11.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
12.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
13.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
14.

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

15.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
16.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
17.
Identify the element in the picture
a)
Boron
b)
Carbon
c)
Nitrogen
d)
Lithium
18.
Which element is found in period 3 group 2?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Yttrium (Y)
d)
Boron (B)
19.

In a ______________, one substance is dissolved in another substance.

a)

solution

b)

suspension

c)

colloid

20.

A ______________ mixture is one that does not have a uniform composition.

a)

heterogeneous

b)

homogenous

c)

pure substance

21.

Which group reacts explosively with water?

a)

Metals

b)

Alkali metals

c)

Transition metals

d)

Non-metals

22.
The horizontal (left to right) rows on the periodic table are known as
a)
periods.
b)
atoms.
c)
groups or families.
d)
valence electrons.
23.

The atomic mass tells you....

a)

The average # of protons and neutrons in the nucleus of one atom of an element

b)

The total # of electrons and neutrons in the nucleus of one atom of an element

c)

The total # of electrons in the nucleus of one atom of an element

d)

The total # of neutrons in the nucleus of one atom of an element

24.

A _________________ mixture is one where the substances are evenly spread throughout.

a)

heterogeneous

b)

homogeneous

c)

pure substance

25.
An example of elements from period 3 that have the same number of electron shell
a)
Hydrogen and Oxygen
b)
Sodium and Potassium
c)
 Sodium and Magnesium
d)
Helium and Hydrogen
26.
What do the elements highlighted orange have in common?
a)
The same number of protons
b)
The same number of electrons
c)
The same number of neutrons
d)
The same number of electrons shells
27.
The elements along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
28.

Which element has more in common with Argon (Ar)?

a)

Chlorine (Cl) because it's electrons fill the same number of shells as Argon (Ar)

b)

Neon (Ne) because it's in the same period as Argon (Ar)

c)

Neon (Ne) because it's in the same family/group as Argon (Ar)

d)

Chlorine (Cl) because it's in the same family/group as Argon (Ar)

29.
One physical characteristic of metals is...
a)
Luster (shine)
b)
Weight
c)
All are gases. 
30.

In the Atom the......

a)

Electrons have a positive charge

b)

Neutrons have a neutral charge

c)

Protons have a neutral charge

d)

Neutrons have a negative charge

31.
One physical characteristic of metals is...
a)
Luster (shine)
b)
Weight
c)
All are gases. 
32.

Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

33.

What is the acronym that you learned to help you with Atomic structure?

a)

MAN-DOWN

b)

APE-MAN

c)

MAN-APE

d)

PEMDAS

34.

The element in period 5, group 4 is?

a)

Dubnium (Db)

b)

Antimony (Sb)

c)

Tin (Sn)

d)

Zirconium (Zr)

35.

APE-MAN means that.....

a)

Mass - atomic # = Neutrons

b)

Atomic # = Protons = Electrons = Mass

c)

Atomic # = Nuetrons = Electrons

d)

Mass - Neutrons =Atomic #

36.
The picture shown here is what type of mixture?
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
element
37.

What is it?

a)

Pure Substance

b)

Mixture

38.
Elements in the same________ often have similar chemical and physical properties.
a)
period
b)
group
39.
Chicken noodle soup
a)
heterogeneous mixture
b)
homogeneous mixture
40.
What is the smallest unit of matter?
a)
atom
b)
element
c)
molecule
d)
compound
41.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
42.
_________are not good conductors of heat or electricity.
a)
Metals
b)
Metalloids
c)
Nonmetals
43.
Everything is made up of little tiny things called _____
a)
compounds
b)
molecules
c)
atoms
d)
solids
44.
From the diagram, which particles are indicated with the arrow?
a)
electrons and protons
b)
protons and neutrons
c)
electrons and neutrons
d)
photons and nucleons
45.

Pure substances include:

a)

Elements

b)

Homogeneous Mixtures

c)

Compounds

d)

Heterogeneous Mixtures

46.

Look at the image and make your selection

a)

The object in the first picture is most likely a liquid

b)

The object in the first picture is most likely a gas

c)

The object in the first picture is most likely a solid

d)

The object in the first picture is most likely a plasma

47.

Anything that has mass and takes up space (the STUFF all things are made of – solids, liquids, and gases)

a)

Weight

b)

Density

c)

Volume

d)

Matter

48.

The amount of matter (stuff) in an object or substance solid, liquid, gas. Measured in kg, g, or mg.

a)

Matter

b)

Density

c)

Mass

d)

Volume

49.

The force of gravity pulling on an object (solid, liquid, gas)

a)

Weight

b)

Mass

c)

Volume

d)

Density

50.

What best explains the graphic and information that you see above?

a)

The astronaut's weight and mass are the same, because weight and mass measure the same thing.

b)

The astronaut's weight and mass are the different, because density varies when you travel to outer space.

c)

The astronaut's mass changes as he travels to different places because the gravitational pull is different in each place.

d)

The astronaut's weight changes as he travels to different places because the gravitational pull is different in each place.

51.

A measurement of how much space something takes up, is the objects.....

a)

Volume

b)

Mass

c)

Density

d)

Weight

52.

What is the volume of this object?

a)

80 cm3

b)

10 ml3

c)

80ml2

d)

80cm2

53.

How do you get the volume of an irregularly shaped object?

a)

V= L x W x H

b)

V= M/D

c)

Water Displacement

d)

Using a scale

54.

What is the combined volume of the two objects that are pictured above?

a)

4 ml

b)

6 ml

c)

10 ml

d)

2 ml

55.

What is the volume of one of the objects placed in the water above?

a)

2ml

b)

4 ml

c)

1 ml

d)

6 ml

56.

How much mass is in a given amount of space is an objects......

a)

Mass

b)

Density

c)

Volume

d)

Weight

57.

Density =????

a)

M/V

b)

V/M

c)

L x W x H

d)

M x V

58.

An object will float on top of a liquid if.......

a)

It has a density that is less than the liquid that you place it in

b)

It has a density that is more than the liquid that you place it in

c)

It has a density that is equal to liquid that you place it in

d)

It has a volume that is equal to liquid that you place it in

59.

The following objects will float on water based on the picture above.

a)

Air & methanol

b)

Ice & Aluminum

c)

Lead & Gold

d)

Wood & Air

60.

100 mL of Coca Cola has a mass of 110 g. What is the density of the Coca Cola?

a)

1.1 g/cm3

b)

0.90 g/cm3

c)

11,000 g/cm3

d)

1000 g/cm3

61.

The state of matter with a definite volume but NOT definite shape is a.....

a)

liquid

b)

solid

c)

gas

d)

plasma

62.

1) Particles are not free to move around very much

2) Particles vibrate back and forth in the same position -

3) Have definite shape and volume


This describes which state of matter?

a)

Plasma

b)

Solid

c)

Liquid

d)

Gas

63.

The following is a description of which state of matter?


1) Molecules are spread apart and move around at high speeds

2) No definite shape or volume

3) Particles Do not interact much with each other

4) The Intermolecular forces between the particles have little to effect on motion

a)

plasma

b)

gas

c)

solid

d)

liquid

64.

The following is a description of which state of matter?


1) Has no definite shape or volume

2) Is the result of superheated and electrically charged ions

3) Found on the sun or in lightning

a)

plasma

b)

gas

c)

liquid

d)

solid

65.

_____________is a measure of the average kinetic energy of all particles in an object

a)

Weight

b)

Volume

c)

Mass

d)

Temperature

66.

Adding or removing _________ in the form of heat to a substance may result in a change of state

a)

Heat

b)

Energy

c)

Temperature

d)

Mass

67.

What would you say about molecules of a solid in the fridge vs molecules of a solid sitting on the counter?

a)

The molecules of the solid sitting in the fridge are vibrating faster than those of the solid sitting on the counter.

b)

The molecules of the solid sitting in the fridge are vibrating just as fast than those of the solid sitting on the counter.

c)

The molecules of the solid sitting in the fridge and those of the solid sitting on the counter are not moving at all, because they are a solid.

d)

The molecules of the solid sitting in the fridge are vibrating slower than those of the solid sitting on the counter.

68.

What is the outcome (DEPENDENT) variable?

a)

plant height

b)

time in days

c)

sunflower

d)

daisy

69.

Which phrase defines a scientific theory?

a)

A well supported explanation

b)

An untested idea

c)

An educated guess

d)

An accepted description

70.

A student hypothesized that the amount of sunlight a sunflower plant receives determines the number of sunflower seeds the plant produces. In her experiment, the number of seeds produces is the______

a)

Test (independent) variable

b)

Outcome (dependent) Variable

c)

Control Variable

d)

Control group

71.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
72.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
73.
A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
74.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
75.
This variable is the actual data collected during the experiment. 
a)
independent variable
b)
dependent variable
c)
control group
d)
data group
76.

Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied.

What is the outcome (dependent) variable?

a)

The temperature of the water

b)

The depth of the thermometer

c)

The location of the lake

d)

The air temperature

77.

Which goes on the x axis?

a)

independent variable

b)

dependent variable

c)

control variables

d)

monkeys

78.

What is the general trend of this line graph?

a)

You make the same amount of money regardless of how long you mow.

b)

The more you mow, the more money you make.

c)

The more you mow, the less money you make

d)

Mowing is dangerous.

79.

If Dr. Potts jumped off the Brooklyn Bridge and you did the same thing after, this is considered

a)

replication

b)

repetition

c)

both of these

d)

neither of these

80.

The purpose of repetition in a scientific investigation is....

a)

To find averages of data

b)

data

To validate another scientist's work

c)

To make the teacher happy

d)

To ensure accuracy in the data

81.

The things that are kept the same to ensure the results are due to the experiment is called....

a)

independent variables

b)

dependent variables

c)

Control variables

d)

placebo variable

82.

A scientific theory...

a)

Can eventually become a Scientific law

b)

is based on lots of evidence

c)

has not been tested many times

d)

is not reliable

83.

A(n) ____________ is a statement that describes what always happens under certain conditions in nature

a)

scientific theory

b)

scientific law

c)

a hypothesis

d)

independent variable

84.

Theory or law? The cell _________ of living things: living things are made of cells, which explains how things grow and live.

a)

theory

b)

law

85.

Theory or Law? Tectonic ________ of Geology: the surface of the earth is made of tectonic plates, which move slowly. Explains why mountains are formed, earthquakes happen, etc.

a)

law

b)

theory

86.

Theory or Law? Newton's first ______ of Motion: Objects will stay in motion unless stopped. Shows what happens with moving objects.

a)

law

b)

theory

87.

What is a 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.

c)

The same thing as science

d)

The scientific method

88.

If experimental findings are not reproducible

a)

it is an indication of scientific fraud.

b)

the results are not considered valid.

c)

the results are considered valid, but not usable.

d)

It's an indication that scientific method was not followed.

89.

A scientist is performing an experiment to determine the melting point of a new substance. Which action could increase the likelihood of obtaining accurate results?

a)

repeating the experiment three times

b)

writing out the procedure after the experiment

c)

experimenting with multiple substances

d)

using three types of thermometers

90.

A substance that has a PH of 6 is.....

a)

A weak/slightly basic substance

b)

A strong/highly basic substance

c)

A weak/slightly acidic substance

d)

A strong/highly acidic substance

91.

A substance that has a PH of 14 is......

a)

slightly basic

b)

neutral

c)

Highly basic

d)

Highly acidic

92.

A Neutralization reaction occurs when.....

a)

An acid and base are combined and a slightly acidic substance and water are produced.

b)

An acid and base are combined and a slightly basic substance and water are produced.

c)

An acid and base are combined and a highly acidic substance and water are produced.

d)

An acid and base are combined and salt and water are produced.

93.

An example of a neutral substance is....

a)

Rain Water PH - 6

b)

Lemon Juice PH- 2

c)

Distilled Water - PH-7

d)

Laundry detergent - PH -11

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