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Thermal energy,Heat and Temperature

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

The total kinetic and potential energy of all of the particles in an object is called ______________________.

a)

kinetic energy

b)

thermal energy

c)

potential energy

d)

heat

2.

______________ is the energy that is transferred from a warmer object to a cooler object.

a)

Heat

b)

Temperature

c)

Thermal Energy

d)

Kinetic Energy

3.

Heating a substance causes the particles to move more _______________.

a)

quickly

b)

slowly

4.

In order to find the temperature in Kelvins, you need to add _________ to the temperature in Celsius.

a)

100

b)

200

c)

273

d)

263

5.

If enough heat is transferred to or from a substance, the substance can change states.

a)

True

b)

False

6.

During a change of state, the thermal energy of a substance changes, but the temperature ________________.

a)

increases

b)

stays the same

c)

decreases

7.

If an object has more matter, that means it has more ________________.

a)

temperature

b)

energy

c)

heat

d)

particles

8.

The more matter/particles an object has, the _________ thermal energy it has.

a)

more

b)

less

9.

A 1-liter pot full of tea is 85 degrees Celsius. A 0.2-liter cup full of tea is also 85 degrees Celsius. Which one has more thermal energy?

a)

They have the same amount of thermal energy

b)

0.2-liter cup

c)

1-liter pot

10.

If two objects have the same amount of matter/particles, the object with the higher _______________ has more thermal energy.

a)

heat

b)

temperature

c)

thermal energy

d)

volume

11.

___________ is a measure of the average kinetic energy of the particles in a substance.

a)

Temperature

b)

Heat

c)

Thermal Energy

d)

Potential Energy

12.

An object with more matter will require ______ heat in order to raise the temperature than an object with less matter.

a)

more

b)

less

13.
Thermal energy always moves from ____________ objects to ______________ objects.
a)
cooler, warmer
b)
warmer, cooler
c)
faster, slower
d)
slower, faster
14.
The most common temperature scale used in the world where water freezes at 0 degrees and boils at 100 degrees is called the __________________ scale.
a)
Celsius
b)
Fahrenheit
c)
Pound
d)
Kelvin
15.
The most common temperature scale used in the physical sciences where temperatures are 273 degrees more than temperatures on the Celsius scale is called the _______________ scale.
a)
Fahrenheit
b)
Kelvin
c)
Pound
d)
Celsius
16.

what happens to the energy of the particles when water vapor begins to cool?

a)

The average potential energy decreases.

b)

The average kinetic energy decreases.

c)

The average potential energy remains the same.

d)

The average kinetic energy remains the same.

17.

Convert 300 oK to oC

a)

27oC

b)

0oC

c)

-27oC

d)

573oC

18.

total or internal energy

a)

thermal energy

b)

temperature

c)

heat

19.

the SI unit for energy

a)

joule (J)

b)

meter (m)

c)

newton (N)

d)

gram (g)

20.

Which statement is correct?

a)

heat is transferred from a warm object to a cool object until they both balance out

b)

heat is transferred from a cool object to a warm object until they both balance out

c)

hot stays hot and cold stays cold

21.

Two different objects at the same temperature. . .

a)

would have the same amounts of thermal energy.

b)

can have different amounts of thermal energy.

22.

What can cause something to have greater thermal energy? Choose 2.

a)

larger size

b)

smaller size

c)

higher temperature

d)

lower temperature

23.

If you were heating up two different dishes of the same macaroni, which would would take the longest to heat up?

a)

a small dish of macaroni

b)

a large dish of macaroni

24.

What determines an object's thermal energy? Choose 3.

a)

potential energy and/or arrangement of particles

b)

state of matter

c)

amount of matter and type of matter

d)

how much the object weighs

e)

how expensive an object is

25.

There is a small glass of very hot water and a large bathtub full of hot water that is a slightly lower temperature. Which has more thermal energy?

a)

Bathtub: more particles of water

b)

Small Glass: hotter temperature