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UE1 7th Study Guide Science

Total questions: 138

Worksheet time: 2hrs 6mins

Name
Class
Date
1.
The _____is the part that gets dissolved. 
a)
solute 
b)
solvent 
c)
solution 
d)
Sacajawea 
2.
A solution is a kind of ________. 
a)
mixture 
b)
compound 
c)
element 
d)
stuff 
3.
A solution is a ________ mixture. 
a)
heterogeneous 
b)
homogeneous 
c)
dumb 
d)
mixed 
4.
The universal solvent is ______. 
a)
sodium 
b)
acid 
c)
water 
d)
wind 
5.
This is the part of the solution that does the dissolving. 
a)
solute
b)
solvent 
c)
salt water 
d)
First Continental Congress 
6.
Solubility is a ________ property. 
a)
neat 
b)
chemical 
c)
physical 
d)
an organic 
7.

The ______ is the smaller part of the solution.

a)

solute

b)

solvent

c)

system of a down

8.
What is a "homogeneous mixture of two or more substances in a single phase"?
a)
Solution
b)
Solvent
c)
Solute
d)
Compound
9.
What does it mean to be "Soluble" ?
a)
Capable of being a solid.
b)
To have soul.
c)
Capable of being dissolved.
d)
To sink.
10.
Which of the following are considered to be a homogeneous mixture?
a)
Colloid
b)
Solution
c)
Suspension
d)
All Mixtures
11.
A measure of the amount of solute in a given amount of solvent or solution is...
a)
saturated
b)
solubility
c)
concentration
d)
miscible
12.
A saturated solution is one that....
a)
contains the maximum amount of dissolved solute.
b)
contains less solute than a saturated solution.
c)
contains more solute than a saturated solution.
d)
is the amount of a substance required to form a saturated solution.
13.
A supersaturated solution is one that....
a)
contains the maximum amount of dissolved solute.
b)
contains less solute than a saturated solution.
c)
contains more solute than a saturated solution.
d)
is the amount of a substance required to form a saturated solution.
14.
An unsaturated solution is one that....
a)
contains the maximum amount of dissolved solute.
b)
contains less solute than a saturated solution.
c)
contains more solute than a saturated solution.
d)
is the amount of a substance required to form a saturated solution.
15.
A nonelectrolyte is...
a)
The rapid, random movement of particles in colloidal dispersion.
b)
A substance that dissolves in water and conducts electric current.
c)
A substance that dissolves in water and does not conduct electric current.
d)
The solution process when water is the solvent.
16.
The dissolving medium in a solution is called ... 
a)
colloid
b)
solution
c)
solute
d)
solvent
17.
The substance dissolved in a solution is called ... 
a)
colloid
b)
solution
c)
solute
d)
solvent
18.

What is a solvent?

a)

The material being dissolved.

b)

The liquid used to dissolve.

19.

Is this a mixture or a solution?

a)

Mixture

b)

Solution

20.

Is this a mixture or a solution?

a)

Mixture

b)

Solution

21.

What is a mixture?

a)

The combination of two or more substances.

b)

The combination of three or more substances.

c)

A liquid.

d)

A gas.

22.

What is a solute?

a)

The liquid used to dissolve.

b)

The material being dissolved.

23.

Is this a mixture or a solution?

a)

Mixture

b)

Solution

24.

Is this a mixture or a solution?

a)

Mixture

b)

Solution

25.

What is a solution?

a)

The mixture of a solvent and a solute.

b)

The mixture of two solids.

26.

Is this a mixture or a solution?

a)

Mixture

b)

Solution

27.

Are solutions mixtures?

a)

Yes

b)

No

28.

Are all mixtures solutions?

a)

Yes

b)

No

29.

Is this a mixture or a solution?

a)

Mixture

b)

Solution

30.

Is this a mixture or a solution?

a)

Mixture

b)

Solution

31.

You need at least how many substances to make a mixture?

a)

1

b)

2

c)

3

d)

4

32.

Solubility is the ability of a material to.....

a)

conduct heat.

b)

float.

c)

dissolve in a liquid.

d)

attract or repel metals.

33.

Is this soluble?

a)

Yes

b)

No

34.

Is this soluble?

a)

Yes

b)

No

35.

Is this a mixture or a solution?

a)

Mixture

b)

Solution

36.

How can we remove sugar from a sugar water solution?

a)

Melting

b)

Freezing

c)

Evaporating

d)

Sublimating

37.

How can we remove sand from a sand and water mixture?

a)

Tweezers

b)

Filter

c)

Magnet

38.

Which of the following represents an element?

a)

H2O

b)

NaCl

c)

H2

d)

CaCO3

39.

Which of the following is not a compound?

a)

HCl

b)

NaCl

c)

Cl

d)

CO2

40.

Salt has a chemical formula of NaCl. Salt is a...

a)

Compound

b)

Mixture

c)

Element

d)

None of the Above

41.

What cannot be broken down into other substances?

a)

Compound

b)

Solids

c)

Mixture

d)

Element

42.

What is made up two or more elements that are chemically combined?

a)

Element

b)

Compound

c)

Mixture

d)

Solids

43.

How many elements are represented in the compound?

Na2CO3

a)

1

b)

2

c)

3

d)

4

44.

A combination of substances that are not chemically combined is called a(n)____________.

a)

mixture

b)

compound

c)

element

d)

metal

45.

An element is made up of only one kind of _____.

a)

isotope

b)

atom

c)

plastic

d)

metal

46.

_____ are small particles that make up most types of matter on Earth.

a)

compounds

b)

mixtures

c)

atoms

d)

elements

47.

What is H2SO4

made up of?

a)

2 hydrogen, 1 sulfur, 4 oxygen

b)

2 hydrogen & 4 sodium

c)

1 hydrogen, 2 sulfur, 4 oxygen

d)

1 hydrogen & 6 sodium

48.

How many atoms are there TOTAL in:

H2SO4

a)

3

b)

5

c)

6

d)

7

49.

This picture represents which of the following?

a)

element

b)

mixture of elements

c)

compound

d)

mixture of compounds

50.

This picture represents which of the following?

a)

element

b)

mixture

c)

compound

51.

What is the picture displayed?

a)

atom

b)

molecule

c)

element

d)

compound

52.

In this diagram, X represents...

a)

A compound

b)

An atom

c)

A mixture

d)

An element

53.

In this diagram, Y represents...

a)

An element

b)

A compound

c)

A molecule

d)

A mixture

54.

Which example is a compound?

a)

N2

b)

Cu

c)

O2

d)

H2O2

55.

The atom is the smallest part of...

a)

An element

b)

A mixture

c)

A compound

56.

Are there any compounds on the periodic table?

a)

Yes,there are many.

b)

No,because only elements are on the periodic table.

57.

What kind of pure substance forms when two elements chemically combine?

a)

an element

b)

a mixture

c)

a compound

d)

a solution

58.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
59.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
60.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
61.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
62.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
63.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
64.
Is moldy cheese a chemical or physical change?
a)
chemical
b)
physical
65.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
66.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
67.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
68.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
69.
Ice melting
a)
Chemical Change
b)
Physical Change
70.
Water freezing
a)
Chemical Change
b)
Physical Change
71.
Shredding a piece of paper
a)
Chemical Change
b)
Physical Change
72.
Burning coal
a)
Chemical Change
b)
Physical Change
73.

A cat is hanging out several feet from a fire in a fireplace. This causes the kitty cat to get warm. The kitty cat is warm because of...

a)

Convection

b)

Conduction

c)

Radiation

d)

The fur sweater he's wearing!

74.

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

a)

Convection

b)

Conduction

c)

Radiation

d)

Globulation

75.

Near the ceiling of a room, the air is warmer. The warmer air is rising because of

a)

Convection

b)

Conduction

c)

Radiation

d)

It was told to by this crazy fool!

76.

In a swimming pool, the water near the surface is slightly warmer. The temperature of the water near the top rises because of

a)

Convection

b)

Conduction

c)

Radiation

d)

Too many dogs being in the pool!

77.

A fireman that is at a building that is on fire feels a door and it is hot. Why does his hand feel hot?

a)

Convection

b)

Conduction

c)

Radiation

d)

The Human Torch was on the other side!

78.

A huge boulder at the state park in Arizona gets so hot during a mid summer's day. This is due to...

a)

Convection

b)

Conduction

c)

Radiation

d)

Boogie Fever

79.

A house burns down. On the house next to it, the vinyl siding is twisted and warped by the heat. The heat was transferred across to the other house by

a)

Convection

b)

Conduction

c)

Radiation

d)

Marvin the Martian

80.

As you hold a piece of ice, it begins to melt from the warmth of you hand on it. This is because of

a)

Convection

b)

Conduction

c)

Radiation

d)

the fact that you are the Human Torch from the Fantastic Four.

81.

In heat transfer, heat always flows from the _______________ object to the _______________ object.

a)

hotter / colder

b)

colder / hotter

c)

hotter / hotter

d)

colder / colder

82.

Which of the following statements is true regarding heat energy?

a)

The quicker a molecule moves, the colder it is.

b)

The slower a molecule moves, the warmer it is.

c)

The quicker a molecule moves, the warmer it is.

d)

The faster you dance, the quicker you get tired.

83.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
84.
To measure the temperature difference between two cups of water, you would use a _____.
a)
measuring cup
b)
ruler
c)
thermometer
d)
balance scale
85.
the transfer of heat energy between substances that are in direct contact with each other
a)
conduction
b)
convection
c)
radiation
d)
transfer
86.
the transfer of heat energy through liquids and gases (air)
a)
conduction
b)
convection
c)
radiation
d)
transfer
87.
the transfer of heat energy through waves or particles
a)
conduction
b)
convection
c)
radiation
d)
transfer
88.
A form of energy associated with the motion of atoms or molecules and capable of being transmitted through solid and fluid media by conduction, through fluid media by convection, and through empty space by radiation.
a)
energy
b)
conduction
c)
heat
d)
convection
89.
objects that more easily transfer heat
a)
insulator
b)
conductor
c)
kinetic energy
d)
potential energy
90.
objects that prevent heat transfer
a)
insulator
b)
conductor
c)
kinetic energy
d)
potential energy
91.
to pass from one place to another
a)
heat
b)
energy
c)
transfer
d)
conductor
92.
energy in motion
a)
kinetic energy
b)
potential energy
c)
heat
d)
transfer
93.
stored energy
a)
kinetic energy
b)
potential energy
c)
heat
d)
transfer
94.
the ability to do work or transfer heat
a)
energy
b)
transfer
c)
heat
d)
insulator
95.

The ___ is the part of the solution being dissolved

a)

solute

b)

solvent

96.

What is the concentration, in percent by mass, of 0.62 g of solute in 45.0 g of solution?

a)

0.014 %

b)

1.4 %

c)

0.13%

97.

What mass of solute is needed to make 100.0 g of a 3.4% solution?

a)

3.4 g

b)

34 g

c)

2941 g

d)

0.34 g

98.

___________ refers to the amount of solute dissolved in a given amount per volume of solution

a)

Concentration

b)

Dilution

c)

Precipitation

d)

None of the above

99.

What is the percent by mass of a solution made by dissolving 10.0 g of NaCl into 180.0 g of water?

a)

5.26 %

b)

5.56 %

c)

180.0 %

d)

20.0 %

100.

What is the percent concentration of sugar in pink lemonade if 28.0 g of sugar is added to 209 g of water?

a)

14.7 %

b)

5.14 %

c)

13.4 %

d)

11.8 %

101.

What is a homogeneous mixture of two or more substances?

a)

solute

b)

solvation

c)

solution

d)

solvent

102.

Sodium chloride (NaCl) and sucrose (C12H22O11) both dissolve in water. Which solution is able to conduct electricity?

a)

sucrose because it is a covalent molecule and nonelectrolyte

b)

sucrose because it is an ionic compound and electrolyte

c)

sodium chloride because it is an ionic compound and electrolyte

d)

sodium chloride because it is a covalent molecule and nonelectrolyte

103.

What is the concentration, in percent by mass, of 0.62 g of solute in 45.0 g of solution?

a)

0.014 %

b)

1.38 %

c)

0.13%

104.

What is the percent by mass of a solution made by dissolving 20.0 g of NaCl into 180.0 g of water?

a)

10.0 %

b)

11.1 %

c)

80.0 %

d)

20.0 %

105.

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility?

a)

lowering the temperature of the solvent

b)

stirring the solute in the solution

c)

increasing the pressure on the solution

d)

increasing the particle size of the solute

106.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
107.

____________ is the process whereby particles of a solvent completely surround the particles of a solute, disperse them throughout the solvent particles, and hold them in solution.

a)

solvation

b)

immisciblation

c)

dissolution

d)

saturation

108.

Which one of the following should be increased in order to increase the solubility of a gas?

a)

Temperature

b)

Pressure

109.

Which type of solution contains the maximum amount of dissolved solute?

a)

unsaturated solution

b)

supersaturated solution

c)

saturated solution

110.

Which of the following would increase the amount to dissolve a solid solute?

a)

decreasing temperature

b)

increasing temperature

c)

decreasing amount of solvent

d)

increasing amount of solute

111.
Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?
a)
Monica's growth
b)
drinking milk
112.

Ramone wants to know: does the distance a person kicks a soccer ball effect how well they will do on their math test. What is the dependent variable?

a)

How far they kick the soccer ball

b)

How well they do on the math test

113.

Marcos wants to know: Does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?

a)

Type of gasoline

b)

how fast the car can drive

114.

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

a)

Distance traveled by the ball

b)

Mass of the ball

115.
Does the flavor of ice cream effect how fast the ice cream melts?
a)
independent
b)
dependent
116.
Does the type of shoe worn during a 30 meter dash affect the speed of the runner?
a)
independent
b)
dependent
117.
How does increasing the slope of a ramp affect how far a marble travels?
a)
independent
b)
dependent
118.
What effect does decreasing the temperature of a room have on a lifespan of a battery?
a)
independent
b)
dependent
119.
How does watching TV during studying affect a student’s test grades?
a)
independent
b)
dependent
120.
What is the effect on increasing the amount of sunlight given to tulips?
a)
independent
b)
dependent
121.
Does changing the scent of a brand of dog food affect how much the dog eats?
a)
independent
b)
dependent
122.
Which brand of bubblegum allows for you to blow the largest bubble?
a)
independent
b)
dependent
123.

Which variable is usually represented as the letter y?

a)

Independent Variable

b)

Dependent Variable

124.

Which variable is usually represented as the letter x?

a)

Independent Variable

b)

Dependent Variable

125.

Which type of sugar dissolves the fastest?

Which is the independent variable?

a)

The temperature of the water

b)

The amount of water

c)

The type of sugar

d)

The type of cup you use

126.

How does the amount of baking powder added to a cake mix affect the taste?

Which is the independent variable?

a)

The amount of baking powder

b)

The type of cake

c)

The amount of oil in the cake

d)

The temperature of the oven

127.

Which type of apple has the most water in it?

Which is the dependent variable?

a)

The size of the apple

b)

The age of the apple

c)

The amount of water

d)

The type of apple

128.

Which type of bubble gum makes the biggest bubble?

Which is the independent variable?

a)

The brand of the gum

b)

how long you chew the gum

c)

the amount of air to blow the bubble

d)

the size of the bubble

129.

Does the amount of time a person spends watching TV make a difference in their grades?

Which is the dependent variable?

a)

The type of TV they watch

b)

How much time they spend watching TV

c)

The classes they are in

d)

Their grades

130.
Stacy measured the speed of 5 birds that lived around her house. What is the dependent  variable?
a)
Type of Bird
b)
Speed of Bird
c)
weather outside
131.
Stacy measured the speed of 5 birds that lived around her house. What is the Independent variable?
a)
Type of Bird
b)
Speed of Bird
c)
weather outside
132.
Penelope wanted to see if the temperature of the oven made cookies softer or harder. What is the dependent variable.
a)
Hardness of cookie
b)
Type of oven
c)
Temperature of oven
133.
Mrs. Cote wanted to know if the iPhone could stand up against being dropped from different heights. She dropped them from 3 heights and saw if they broke. What is the independent variable?
a)
Drop height
b)
If they had a case on them or not
c)
If they broke
134.
Mrs. Cote wanted to know if the iPhone could stand up against being dropped from different heights. She dropped them from 3 heights and saw if they broke. What is the dependent variable?
a)
Drop height
b)
If they had a case on them or not
c)
If they broke
135.

Mr. McNiece wanted to see how different types of music affected students' pulse rates. She played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. What constant should be considered when performing this experiment?

a)

amount of time the music was played

b)

using a different student for each music type

c)

types of music

d)

use of people

136.

Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is one constant?

a)

Justin

b)

Type of Tissue

c)

Amount of Tissue

d)

Mass of Snot that a Tissue can Hold

137.

Mario studied how far room temperature water would spray out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. What is one constant?

a)

3 mm holes

b)

Different Heights of Holes in Container

c)

Distance Water Traveled Out of the Container

d)

Water from the Local Spring

138.

Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is his control group?

a)

Kleenex

b)

Type of Tissue

c)

Amount of Tissue

d)

Mass of Snot that a Tissue can Hold

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