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CI Inv 4 - Kinetic Energy

Total questions: 57

Worksheet time: 46mins

Name
Class
Date
1.

What happens to air when it is heated?

a)

The particles expand.

b)

The particles contract.

c)

The volume expands.

d)

The volume contracts.

2.
When kinetic energy increases
a)
particles move slower.
b)
particles become hotter.
c)
particles hit each other with decreased force.
d)
particles hit each other less frequently.
3.

What happens to particles in a piece of iron that is heated?

a)

Particles move faster.

b)

Particles move slower.

4.

What happens to particles in a piece of iron that is heated?

a)

Particles bump into each other more often.

b)

Particles bump into each other less frequently.

5.
Your ring is stuck on your finger. To help get the ring off, you should put ice on
a)
your finger.
b)
the ring.
6.
Compression results in a smaller volume because of 
a)
decreased pressure.
b)
increased pressure.
c)
decreased kinetic energy.
d)
increased kinetic energy.
7.
Contraction results in a smaller volume because of
a)
decreased pressure.
b)
increased pressure.
c)
decreased kinetic energy.
d)
increased kinetic energy.
8.
A plunger pressing down in a closed syringe is an example of
a)
compression.
b)
contraction.
9.
The volume of water decreasing as it cools is an example of
a)
compression.
b)
contraction.
10.
What happens to the volume of milk when it is heated?
a)
It increases.
b)
It decreases.
c)
It stays the same.
11.
Gas particles are relatively far apart and in... 
a)
Constant motion
b)
A stable state
c)
Vibrating motion 
12.
Energy of motion.
a)
Kinetic Energy
b)
Potential Energy
13.
Measures temperature
a)
Graduated cylinder
b)
Beaker
c)
Triple Beam Balance
d)
Thermometer 
14.
How can you increase an object's kinetic energy.
a)
Add heat
b)
Add ice (or something to cool it down)
15.
Solids are described as having a 
a)
definite shape and indefinite volume
b)
indefinite shape and indefinite volume
c)
definite shape and definite volume
d)
indefinite shape and definite volume
16.
Gas particles have the ________ kinetic energy because they move the fastest.
a)
least
b)
most
17.
Substance with a DEFINITE volume, but NO definite shape...
a)
solid
b)
liquid
c)
gas
18.
When an inflated balloon is exposed to cold air,
a)
the volume of the balloon decreases
b)
the volume of the balloon increases
19.
What happens to a substance when decrease its temperature?
a)
expands
b)
breaks down
c)
dissolves
d)
contracts
20.
What happens to the particles when you “cool off” a substance?
a)
speed up
b)
sink
c)
slow down
d)
run over each other
21.
Which is NOT true about how cold air particles are different from hot air particles?
a)
The particles of cold air are smaller than the particles of hot air
b)
The particles of cold air are closer together than the particles of hot air
c)
The particles of cold air have less KE than the particles of hot air
d)
The particles of cold air move slower than the particles of hot air
22.
Which describes how solid particles are arranged?
a)
Tightly bonded
b)
Loosely bonded (can flow)
c)
No bonds
d)
Bonded in certain environments
23.
True or False
The number of particles changes when compressed or expanded. 
a)
True
b)
False
24.

What happens to the particles of a solid when it is heated?

a)

Slow down

b)

Speed up

c)

Don't change speed

d)

Shrink

25.

The liquid in a thermometer rises when it is placed in the hot water because ___________.

a)

it gains heat from the hot water and expands

b)

loses heat from the hot water and contracts

c)

the surrounding air is too warm

d)

the liquid is boiling

26.

When an inflated balloon is exposed to hot air,

a)

the volume of the balloon decreases

b)

the volume of the balloon increases

27.

True or False

The number of particles changes when contracted or expanded.

a)

True

b)

False

28.

In a closed system put under compression, the particles of a substance are

a)

far apart

b)

close together

c)

the same distance apart as outside the system

29.

In a closed system put under contraction, the particles of a substance are

a)

far apart

b)

close together

c)

the same distance apart as outside the system

30.

In a closed systme, particles move fast, freely, and independently with frequent collisions under

a)

compression

b)

contraction

31.

In a closed system, as particles cool, they slow down and move closer together with fewer collisions when under

a)

compression

b)

contraction

32.

How does kinetic energy change when a system is undergoing compression?

a)

increases

b)

decreases

c)

stays the same

33.

How does kinetic energy change when a system is undergoing contraction?

a)

increases

b)

decreases

c)

stays the same

34.

When we put things in hot or cold water, what is the called in the lab?

a)

a shower

b)

a soak

c)

a bath

35.

Which of the following is NOT a method of heat transfer?

a)

contraction

b)

conduction

c)

convection

d)

radiation

36.
The kind of heat transfer that travels through space in electromagnetic waves is ______________________.
a)
insulation.
b)
Radiation
c)
Conduction
d)
Convection
37.
Molecules in cold things move more _________
than in hot things.
a)
quickly
b)
slowly
c)
happily
d)
merrily
38.

Hot coffee is stirred with a spoon; the spoon gets hot due to...

a)
conduction
b)
convection
c)
radiation
39.

The sun shining...

a)
conduction
b)
convection
c)
radiation
40.

Heat/magma moving under Earth's mantle; hot magma rises and cold magma sinks...

a)

Conduction

b)

Convection

c)

Radiation

41.

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

a)

hotter / colder

b)

colder / hotter

c)

hotter / hotter

d)

colder / colder

42.

Convection, conduction or radiation?

A hot air balloon rising in the sky

(a)  

43.

Convection, conduction or radiation?

Chocolate melting in your hand

(a)  

44.

Convection, conduction or radiation?

A hot air balloon rising in the sky

(a)  

45.

How does the KE change when gas is undergoing contraction?

a)

it increases

b)

it decreases

c)

it stays the same

d)

there is no KE

46.

How does the KE change when gas is under compression?

a)

it increases

b)

it decreases

c)

it stays the same

d)

there is no KE

47.

The collision rate of particles undergoing contraction is

a)

more frequent

b)

same as outside air

c)

less frequent

d)

no collisions at all

48.

The collision rate of particles under compression is

a)

more frequent

b)

same as outside air

c)

less frequent

d)

no collisions at all

49.

The speed of the particles undergoing contraction are

a)

fast

b)

medium

c)

slow

d)

none - no movement

50.

The speed of the particles under compression are

a)

fast

b)

medium

c)

slow

d)

stopped (no movement)

51.

The particle arrangement of a gas undergoing contraction is

a)

close together

b)

far apart

c)

rigid rows with no movement

d)

a "gluing" together of molecules

52.

The particle arrangement of a gas under compression is

a)

close together

b)

far apart

c)

rigid rows with no movement

d)

a "gluing" together of molecules

53.

A decrease of temperature causes

a)

compression

b)

contraction

c)

expansion

d)

compaction

54.

An increase of pressure causes

a)

compression

b)

contraction

c)

compaction

d)

cementation

55.

When an inflated balloon is exposed to hot air,

a)

the volume of the balloon decreases

b)

the volume of the balloon increases

56.

True or False

The number of particles changes when contracted or expanded.

a)

True

b)

False

57.

What happens to the particles of a solid when it is heated?

a)

Slow down

b)

Speed up

c)

Don't change speed

d)

Shrink

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