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Unit 2 Lessons 1,2,3

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

energy is the ability to cause ______

a)

mass

b)

speed

c)

change

d)

motion

2.

_______ energy is the energy of an object due to motion

a)

potential

b)

kinetic

c)

motion

d)

speed

3.

as a skater moves down the ramp, his _______ energy increases

a)

kinetic

b)

potential

c)

speed

d)

motion

4.

_____ energy is the sum of an object's kinetic energy and potential energy

a)

sound

b)

electrical

c)

electromagnetic

d)

mechanical

5.

energy is expressed in _______

a)

grams

b)

joules

c)

kilograms

d)

koules

6.

mechanical energy is a form of _______ energy

a)

potential

b)

kinetic

7.

the faster the molecules move, the more thermal energy it has

a)

false

b)

true

8.

all particles of matter have _______ energy

a)

potential

b)

motion

c)

sound

d)

kinetic

9.

the faster particles move, the less kinetic energy they have

a)

false

b)

true

10.

the warmer a substance is, the _______ its particles move

a)

slower

b)

faster

11.

a _________ is used to measure temperature

a)

measurer

b)

particler

c)

termoneter

d)

thermometer

12.

When the tube that the liquid is contained in is heated, the particles of the liquid...

a)

slow down and spread out

b)

speed up and stay together

c)

speed up and spread out

13.

the 3 common scales for measuring temperature are Fahrenheit, Celsius, and _______

a)

Kelvin

b)

Celvin

c)

Kalvin

d)

Kelniv

14.

On the Celsius scale water freezes at 0 degrees, whereas on the Fahrenheit scale water freezes at _

a)

30

b)

1

c)

32

d)

33

15.

______ energy is the total kinetic energy of all particles in a substance

a)

sound

b)

electrical

c)

electromagnetic

d)

thermal

16.

even though 2 materials may have the same temperature, their thermal energies might be different depending on the size of the particles

a)

false

b)

true

17.

energy in the form of heat always flows from _____ to ______

a)

colder to warmer

b)

warmer to colder

18.

heat is measured in 2 ways: calories and joules

a)

true

b)

false

19.

_______ is the transfer of energy as heat by the movement of a fluid like a liquid or gas

a)

convection

b)

conduction

c)

radiation

20.

as long as 2 objects are in contact, conduction continues until the temperatures of the objects are equal

a)

false

b)

true