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Worksheets

7/8 Science Mid Term

Total questions: 185

Worksheet time: 2hrs 55mins

Name
Class
Date
1.

Anything that has mass and takes up space is called?

a)

An atom

b)

A substance

c)

matter

d)

energy

2.

Is a single kind of matter that always has a specific makeup, or composition is called:

a)

An atom

b)

An element

c)

A substance

d)

A compound

3.

A characteristic that can be observed without changing the matter into another type of matter is a:

a)

Chemical Property

b)

A chemical reaction

c)

Physical Property

d)

A dance

4.

What is an atom?

a)

Basic unit from which all matter is made.

b)

Basic unit of a living organism.

c)

Two or more elements bonded together.

d)

Two or molecules not chemically bonded.

5.

What is an element?

a)

Basic unit of structure for all nonliving things.

b)

Basic unit of structure for all living things.

c)

A substance made up of only one type of atom.

d)

A substance made up of two or more types of atoms.

6.

What is a molecule?

a)

Basic unit of structure for all nonliving things.

b)

A group of similar atoms not chemically combined.

c)

Basic unit of structure for all living things.

d)

A group of two or more atoms held together by a chemical bond.

7.

What is a mixture?

a)

A combination of two or more substances that are together in the same place and atoms are chemically combined.

b)

A group of the same element together.

c)

A combination of two or more substances that are together in the same place and atoms are NOT chemically combined.

d)

Elements just hanging around.

8.

What is a mixture called that has parts that keep their own properties and are not chemically combined is called?

a)

Homogeneous

b)

Heterogeneous

9.

What is a mixture called when it is difficult or impossible to see the different parts?

a)

Homogeneous

b)

Heterogeneous

10.

A change in which one kind of matter changes into a different kind of matter with different properties is called a

a)

chemical change

b)

physical change

c)

change in matter

d)

change in substance

11.

A change that only affects the appearance of a substance (its size, shape, or state of matter)

a)

physical change

b)

chemical change

c)

change in matter

d)

change in substance

12.

A rusting nail is an example of a

a)

chemical change

b)

physical change

13.

Slicing bread is an example of a

a)

chemical change

b)

physical change

14.

Which of the following is a physical change?

a)

sawing a piece of wood in half

b)

burning a piece of wood

c)

rust forming on an iron fence

15.

Opening and shaking a hand warmer packet makes it heat up.

a)

Physical change

b)

Chemical change

16.

Mitochondria break down glucose to make usable energy (ATP).

a)

Physical change

b)

Chemical change

17.

You split logs into pieces with an axe before burning them.

a)

Physical change

b)

Chemical change

18.

An unusual odor is formed after combining two substances.

a)

Physical change

b)

Chemical change

19.

Squeezing a cold pack and popping an internal pouch makes it get very cold.

a)

Physical change

b)

Chemical change

20.

Sugar dissolves into water and disappears.

a)

Physical change

b)

Chemical change

21.

A black film of tarnish develops on silverware over time.

a)

Physical change

b)

Chemical change

22.

Bending a glowstick cracks an internal container. Then, shaking it makes it glow.

a)

Physical change

b)

Chemical change

23.

Liquid nitrogen turns into a fog as heats up and becomes a gas.

a)

Physical change

b)

Chemical change

24.

Rust forms on a metal gate.

a)

Physical change

b)

Chemical change

25.

You crush aluminum cans before recycling them.

a)

Physical change

b)

Chemical change

26.

During photosynthesis, a plant uses CO2 and H2O to make glucose (C6H12O6) and O2.

a)

Physical change

b)

Chemical change

27.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
28.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
29.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
30.
A change in phase ...
a)
Chemical Change
b)
Physical Change
31.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
32.
What is the Law of Conservation of mass?
a)
Mass is created in a chemical reaction
b)
Mass is created in a physical change
c)
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
d)
Mass is never created or destroyed
33.

What type of reaction absorbs thermal energy?

a)

exothermic

b)

endothermic

34.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
35.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

36.

A solid is a state of matter that has a(n)

a)

indefinite volume and indefinite shape

b)

definite volume and a definite shape

c)

definite volume and an indefinite shape

d)

indefinite volume and a definite shape

37.
In which state of matter are particles packed tightly together in fixed positions?
a)
gas 
b)
solid
c)
liquid
d)
plasma
38.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position
b)
have no viscosity
c)
decrease in volume with increasing temperature
d)
are free to move in a container but are in close contact with one another
39.
In which state of matter do particles spread apart and fill all the space available to them? 
a)
crystal
b)
liquid
c)
gas
d)
solid
40.
The change from a  liquid to solid, or the reverse of melting, is called
a)
condensation
b)
boiling
c)
sublimation
d)
freezing
41.

The freezing point of water is the same as its

a)

melting point

b)

boiling point

c)

sublimation point

d)

evaporation point

42.
The amount of space that a gas takes up is its
a)
volume
b)
mass
c)
pressure
d)
density
43.
Which state of matter undergoes changes in volume most easily?
a)
solid
b)
liquid
c)
gas
d)
frozen
44.

In a(n) (a)   , the particles are packed closely together, but they can move past each other freely.

45.

In which state of matter are the particles least able to move?

a)

A

b)

B

c)

C

46.

Which of these three states represents a liquid?

a)

A

b)

B

c)

C

47.

Which of these three states would you expect to be the most affected by the volume of its container?

a)

A

b)

B

c)

C

48.

Has a definite/fixed shape and definite/fixed volume. It holds its shape.

a)

solid

b)

liquid

c)

gas

d)

plasma

49.

Which State of Matter changes its volume easiest?

a)

Solid

b)

Liquid

c)

Gas

50.

A liquid's resistance to flowing is called ______?

a)

Pressure

b)

Volume

c)

Surface Tension

d)

Viscosity

51.

When you do a belly flop into the pool, it hurts because of _____

a)

Surface Tension

b)

Polarity Shift

c)

Chemical Bonding

d)

Pressure

52.

When a gas is cooled to make a liquid.

a)

evaporation

b)

condensation

c)

deposition

d)

sublimation

53.

When a liquid is cooled to make a solid.

a)

evaporation

b)

deposition

c)

freezing

d)

melting

54.

When a solid turns to a liquid when heated.

a)

melting

b)

boiling

c)

condensation

d)

sublimation

55.

When a liquid turns to a gas.

a)

condensation

b)

precipitation

c)

deposition

d)

evaporation

56.

When a gas is cooled to make a solid.

a)

deposition

b)

sublimation

c)

condensation

d)

none

57.

When a solid turns directly to a gas.

a)

condensation

b)

clouds

c)

sublimation

d)

evaporation

58.

Clouds are an example of ...

a)

Precipitation

b)

Condensation

c)

Sublimation

d)

Deposition

59.

Dry ice in a glass is an example of...

a)

Deposition

b)

Evaporation

c)

Precipitate

d)

Sublimation

60.

In three days you go back and this puddle is gone. This is an example of...

a)

Condensation

b)

Sublimation

c)

Deposition

d)

Evaporation

61.

When thermal energy is increased in a solid, what change in state is happening?

a)

Melting

b)

Evaporation

c)

Freezing

d)

Condensation

62.

When thermal energy is decreased in a liquid, what change in state is happening?

a)

Melting

b)

Freezing

c)

Condensation

d)

Evaporation

63.

When thermal energy is increased in a liquid, what change in state is happening?

a)

Melting

b)

Evaporation

c)

Condensation

d)

Freezing

64.

When thermal energy is increased in a liquid and evaporation occurs, what state of matter does the liquid change into?

a)

Solid

b)

Gas

65.

The faster the gas particles move...

a)

the lower the force with which they collide with the walls of their container.

b)

the greater the force with which they collide with the walls of their container.

c)

has no impact on the force with which they collide with the walls of their container.

66.

What causes a truck's tires to burst on long road trips?

a)

Hot temperatures increase the pressure inside the tire.

b)

Lower temperatures decrease the volume.

c)

Lower pressure is caused by lower temperatures.

67.

Predict: What do you think will happen when you dunk a balloon in ice water?

a)

The balloon will remain the same size because temperature change does not affect the volume.

b)

The ballon will become smaller because lower temperatures will cause the volume to decrease.

c)

The balloon will become larger because lower temperatures will cause the volume to increase.

68.

When the temperature of a gas at constant pressure is increased, its volume increases. When the temperature of a gas at constant pressure is decreased, it's volume decreases.

a)

Boyle's Law

b)

Charle's Law

c)

Law of Temperature and Volume

69.

When a gas absorbs heat...

a)

The particles move faster.

b)

The particles move at the same rate of speed.

c)

The particles move slower.

70.

Charle's Law shows that the volume of a gas is....

a)

inversely proportional to its temperature.

b)

directly proportional to its temperature.

c)

unrelated to its temperature

d)

independently related to its temperature.

71.

When the pressure of a gas at a constant temperature is increased, the volume of the gas decreases. When the pressure is decreased, the volume increases.

a)

Boyle's Law

b)

Charle's Law

c)

Law of Indirectly Proportional pressure and volume

72.

As you push down the plunger of air pump, the pressure inside the cylinder of the pump...

a)

decreases

b)

increases

c)

remains the same

73.
What happens when the motion of particles slows?
a)
The particles split.
b)
The particles move further apart.
c)
The particles move closer together
d)
The particles no longer move randomly.
74.
Which phrase best describes the particles in a solid?
a)
not moving
b)
very far apart
c)
vibrating in place
d)
able to slip past one another
75.
What causes surface tension?
a)
gaps between particles
b)
rapid movement of particles
c)
attractive forces between particles
d)
crystalline arrangement of particles
76.
Which grouping lists the states of matter in order of increasing distance between particles?
a)
gas, liquid, solid
b)
liquid, solid, gas
c)
solid, gas, liquid
d)
solid, liquid, gas
77.
A gas has a no definite shape and ________.
a)
a definite shape
b)
a definite volume
c)
no definite shape
d)
no definite volume
78.
A liquid has no definite shape and ________.
a)
a definite shape
b)
a definite volume
c)
no definite shape
d)
no definite volume
79.
A solid has ________ and a definite volume.
a)
a definite shape
b)
a definite volume
c)
no definite shape
d)
no definite volume
80.

The energy an object has due to its motion

a)

thermal energy

b)

temperature

c)

kinetic energy

81.

Measure of the average kinetic energy of the particles in an object

a)

thermal energy

b)

temperature

c)

kinetic energy

82.

The total potential and kinetic energy of an object

a)

thermal energy

b)

temperature

c)

kinetic energy

83.

Changing from a liquid to a gas

a)

condensation

b)

vaporization

c)

sublimation

d)

melting

84.

Changing from a gas to a liquid

a)

condensation

b)

vaporization

c)

sublimation

d)

melting

85.

Changing directly from a solid to a gas

a)

condensation

b)

vaporization

c)

sublimation

d)

melting

86.

Evaporation and boiling are two kinds of _______

a)

condensation

b)

vaporization

c)

sublimation

d)

melting

87.

Deposition is a change from a __________

a)

gas to a solid.

b)

solid to a gas.

c)

liquid to a gas.

d)

gas to a liquid.

88.

Vaporization that occurs within a liquid is _________

a)

boiling.

b)

evaporation.

c)

sublimation.

d)

condensation.

89.

Write your full name here (First name and Surname), your class, and your science teacher's name/names

4 lines
90.

Solid particles are able to...

a)

Move around

b)

Move in random directions

c)

Vibrate in a fixed position

d)

Be compressed

91.

liquid particles are able to

a)

move around

b)

move in random directions

c)

vibrate in a fixed position

d)

be compressed

92.

Gas particles move in random direction and at...

a)

steady speeds

b)

random speeds

c)

faster speeds

d)

slower speeds

93.

Which state of matter is able to be compressed?

a)

Liquids

b)

Solids

c)

Texas

d)

Gases

94.

Which state of matter is able change to the shape of the container but not be compressed?

a)

Solids

b)

Gases

c)

Liquids

d)

Sublimation

95.

What is the name given to a substance changing state from a liquid to a gas?

a)

Condensation

b)

Freezing

c)

Melting

d)

Evapouration

96.

What is the name given to a substance changing state from a solids to a gas?

a)

Evaporation

b)

Boiling

c)

Sublimation

d)

Condensation

97.

What is the name given to a substance changing state from a liquid to a solid?

a)

Boiling

b)

Condensation

c)

Melting

d)

Freezing

98.

What is the name given to a substance changing state from a gas to a liquid?

a)

Freezing

b)

Condensating

c)

Evaporation

d)

Boiling

99.

What temperatures does water melt at and boil at? You need both (2) answers please

a)

0 oC

b)

1 oC

c)

100 oC

d)

60 oC

100.

What temperatures does water freeze at and boil at? You need both (2) answers please

a)

1 oC

b)

-100 oC

c)

0 oC

d)

100 oC

101.

Which two statements correctly describe the properties of a solid?

a)

The particles are close together

b)

The particles have an irregular structure

c)

The particles are held together with strong bonds

d)

The particles have no bonds between them

102.

Which two statements correctly describe the properties of a liquid?

a)

The particles are held to together by strong bonds

b)

The particles have a random structure

c)

The particles can not flow and move

d)

The particles are held to together by weaker bonds

103.

Which two statements correctly describe the properties of a gas?

a)

The particles have no bonds between them

b)

The particles have weak bonds between them

c)

The particles move in random directions at steady speeds

d)

The particles move in random directions at random speeds

104.

When we add ... to a substance new the bonds between particles are weakened and broken.

(a)  

105.

When we ... energy from a substance bonds are formed between the particles.

(a)  

106.

When we add more energy to a solid to particles will do what?

a)

Vibrate more

b)

Vibrate less

c)

Move apart

d)

Flow around each other

107.

The reason that liquids can take the shape of the container that they are in is because...

a)

The particles have a random structure

b)

The particles have space between them

c)

The particles can move around each other

d)

The particles are closer together so take up less space

108.

Why can gases be compressed?

a)

The have lots of space between the particles so can be pushed closer together

b)

The particles can flow and move

c)

The particles have lots of energy

d)

The particles have no bonds

109.

Which of the following is a sign that a chemical reaction (or change) has occurred?

a)

change in shape

b)

melting

c)

formation of a gas

d)

dissolving

110.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

111.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
112.

Which of the following is NOT an example of a physical change?

a)

crumpled paper

b)

dissolving sugar in water

c)

freezing water

d)

burning a marshmallow

113.
Kim puts an ice cube in a beaker and it melts. This is a good example of:
a)
a physical change.
b)
a chemical change.
c)
an experiment.
d)
an analysis.
114.

Kool-aid dissolving in water

a)

physical change

b)

chemical change

115.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
116.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
117.

A student calculated the density of a liquid and found it to be 1.36 g/ml. What is the liquid?

a)

baby oil

b)

water with food coloring

c)

honey

d)

dark maple syrup

118.
A chemical change is different than a physical change because in a chemical change
a)
Chemicals are used
b)
Molecules do not physically touch
c)
A new substance is formed and in a physical change no new substance is formed
d)
The change can be seen but in a physical change it cannot
119.

What is happening to the molecules of water in the chemical change: electrolysis?

a)

Molecules get closer together and more packed

b)

Molecules break apart and form new molecules (H and O gas)

c)

The atoms in the molecules get bigger

d)

Nothing happens to the molecules

120.

In order to move something, you must use ___ to exert a ___.

a)

force, energy

b)

energy, force

c)

force, motion

d)

motion, energy

121.

Two kids are standing on either side of a cart. Maria is pushing to the north, and Steven is pushing to the south. Which of these statements is true?

a)

If the ball doesn't move, both students are doing work.

b)

If the ball moves to the south, only Maria is doing work.

c)

If the ball moves to the south, only Steven is doing work.

d)

If the ball moves, both students are doing work.

122.

She pushes a 10-kilogram cart a distance of 5 meters using a force of 20 Newtons. How much work does she do?

(Hint, there is more info here than you need...so look at the formula for work to determine how to solve the problem!)

a)

50 kg-m

b)

100 N-m

c)

200 N-kg

d)

40 J

123.
What is the unit used to measure force? 
a)
Pounds 
b)
Grams 
c)
Newtons 
d)
kg/ m2
124.
How much work is done by a motor that lifts a train car on El Toro to the top of a 70-meter hill using a force of 15,000 N?
a)
1,000,000 J
b)
214.29 J
c)
1,050,000 J
d)
105,000 J
125.

It took Colton 5 seconds to apply a force of 80 Newtons to push the nail 0.25 m into a board. How much power was used? (Hint - you need to use the formula for power!)

a)

100 w

b)

1,600 w

c)

400 w

d)

4 w

126.

If the force and motion are NOT in the same direction, then...

a)

work is done.

b)

work is not done.

127.

If force and motion ARE in the same direction, then...

a)

work is NOT done.

b)

work is done.

128.

Which is these IS an example of work being done.

a)

Lifting books up off of a desk

b)

Holding a backpack while walking forward

c)

Pushing on a brick wall

d)

Carrying a glass of pop across the room

129.
1. A book weighing 1.0 newton is lifted 2 meters.  How much work was done?
a)
2 J
b)
0.5 J
130.
A force of 15 newtons is used to push a box along the floor a distance of 3 meters.  How much work was done?
a)
3 J
b)
45 J
131.
A force of 100 newtons was necessary to lift a rock.  A total of 150 joules of work was done.  How far was the rock lifted?
a)
1.5m
b)
15,000 m
132.
A young man exerted a force of 9,000 newtons on a stalled car but was unable to move it.  How much work was done?
a)
9,000 J
b)
0 J= No work
133.
How much power is used if a force of 35 newtons is used to push a box a distance of 10 meters in 5 seconds?
a)
70 watts
b)
1750 watts
134.
Which of these is a measure of force?
a)
100 newtons
b)
100 meters per second
c)
100 joules
d)
100 watts
135.
You move a 12-newton box up a 6-meter ramp. In order to find out how much power you created, what would you need to know?
a)
The mass of the box
b)
The slope of the ramp 
c)
The direction the box moved
d)
How long the task took
136.
The unit of work is the ...
a)
joule
b)
force
137.
Work divided by time equals...
a)
energy
b)
power
138.
The unit of power is the...
a)
work
b)
watt
139.
Force multiplied by distance equals...
a)
work
b)
power
140.
Work is done on an object when the object moves in the SAME direction in which the force is applied.
a)
True
b)
False
141.
The FARTHER you move an object, the more work you do.
a)
True
b)
False
142.
Power is the RATE at which work is done. 
a)
True
b)
False
143.
How do you calculate power?
a)
P = W/t
b)
P = E/t
c)
P = w * t
d)
P = bbq/chicken
144.

How do we calculate work?

a)

W = F * d

b)

w = p * t

c)

W = F / d

d)

w = N * m

145.

The ability to do work or cause change.

a)

work

b)

force

c)

motion

d)

energy

146.

An object's change in position relative to a reference point.

a)

work

b)

force

c)

motion

d)

energy

147.

A push or a pull.

a)

work

b)

force

c)

motion

d)

energy

148.

What does letter A represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

149.

What does letter C represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

150.

What does letter B represent

a)

object providing force

b)

object receiving force

c)

gravity

d)

friction

151.

What does letter D represent

a)

object providing force

b)

unbalanced force

c)

gravity

d)

friction

152.

According to Newton's second law of motion, a/an ________ force will cause an object to move in the direction of the force.

a)

balanced

b)

unbalanced

c)

equal

d)

Yoda

153.

What can force do to an object?

a)

Accelerate an object

b)

Slow down an object

c)

Have the object remain in place

d)

Have the object change shape

e)

All of the above

154.

What is the measure of force?

a)

Newtons

b)

Light years

c)

Inches

d)

Gallons

155.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
156.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
157.
a)
Balanced
b)
Unbalanced
158.

___________ is an opposing force that makes objects in motion slow down.

a)

force

b)

speed

c)

friction

d)

mass

159.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
160.

The sum of all forces acting on an object and direction is called the

a)

Balanced Force

b)

Net Force

c)

Unbalanced Force

d)

Contact Force

161.

Are the forces balanced or unbalanced?

a)

Balanced

b)

Unbalanced

162.
What is the net force?
a)
30 N 
b)
25 N 
c)
5 N 
d)
55 N 
163.

To make an object move you must first apply ---

a)

an opposing force

b)

an unbalanced force

c)

a stationary force

d)

a vertical force

164.

a force is best defined as ---

a)

the application of weight

b)

a push or pull that is exerted on matter

c)

the flow of electric charges

d)

a bond in which electrons are shared

165.

A student pushes against a wall with 20 N of force and the wall does not move. In this situation, the wall exerts --

a)

0 N of force

b)

less than 20 N of force

c)

20 N of force

d)

more than 20 N of force

166.

____________ is the amount of matter in an object.

a)

Mass

b)

Volume

c)

Weight

d)

Density

167.

The amount of space that matter occupies:

a)

Mass

b)

Volume

c)

Weight

d)

Density

168.

____________ is a measure of the force of gravity on an object.

a)

Mass

b)

Volume

c)

Weight

d)

Density

169.

_______________ is a measure of the mass of a material in a given volume.

a)

Mass

b)

Volume

c)

Weight

d)

Density

170.

Any chemical reaction that absorbs heat is called ________.

a)

Endothermic energy

b)

Physical Change

c)

Chemical Change

d)

Exothermic energy

171.

When water freezes at 0 degrees and boils at

100 degrees, it's measured in ______________ .

a)

Inches

b)

Fahrenheit

c)

Temperature

d)

Celsius

172.

States matter is not created nor destroyed in any chemical or physical change:

a)

Thermal energy

b)

Density

c)

Chemical Change

d)

Conservation of Energy

173.

Used to measure motion and energy of particles in matter to determine the amount of cold or hot the matter is exerting:

a)

Density

b)

Thermal Energy

c)

Volume

d)

Temperature

174.

Is energy that is absorbed or released into the matter when it’s changing:

a)

Density

b)

Mass

c)

Temperature

d)

Thermal Energy

175.

If you measure matter it should be measured using its ______________ and volume.

a)

Density

b)

Mass

c)

Weight

d)

Thermal Energy

176.

Weight is the force of ______________depending on the mass the object is being weighed.

a)

Energy

b)

Object

c)

Gravity

d)

Density

177.

Density is a the relation between ________ and __________, so how much matter is in a given amount of space.

a)

Density/Thermal energy

b)

Weight/Mass

c)

Volume/Mass

d)

Volume/weight

178.

While temperature _______, density decreases.

a)

Decreases

b)

Increases

179.

The measurement of mass stays the same before and after the change is ______________________________________.

a)

Thermal energy

b)

Conservation of energy

c)

Mass always stays the same

d)

Mass has to change

180.

When matter changes, ___________________ is released or absorbed by the object.

a)

Weight

b)

Mass

c)

Conservation of energy

d)

Thermal Energy

181.

Endothermic means the energy is being _______________

a)

released

b)

released and absorbed

c)

absorbed

d)

not changed

182.

Exothermic means energy is being ____________________

a)

released

b)

absorbed

c)

released and absorbed

d)

Not changed

183.

Temperature affects the ______ of objects.

a)

Mass

b)

Volume

c)

Density

d)

Weight

184.

An example of endothermic energy is ______________

a)

water

b)

ice

c)

fire

d)

air

185.

When you light up a log and start a fire and the weight of the log is the same after it burned, it;s called _______________

a)

Thermal Energy

b)

Temperature

c)

Conservation of energy

d)

Conservation of matter

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