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Thermal Energy Transfer

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

Which best describes heat transfer by radiation?

a)

A slice of bacon frying in a pan.

b)

A pot on a stove boiling water.

c)

Cooking a hotdog in a microwave.

d)

A hot air balloon.

2.

Which of the following best describes CONVECTION?

a)

When heat is transferred through waves.

b)

When heat is transferred through objects that are touching.

c)

The movement of gas or liquid in which warmer parts move up and the colder parts moves down.

3.

What heat transfer happens when you put the pan in the open stove?

a)

Conduction

b)

Convection

c)

Radiation

d)

None

4.

Heat transfers from an area of ________ temperature to an area of _______ temperature.

a)

high to low

b)

low to high

c)

high to high

d)

low to low

5.

Walking on a warm sand with your bare feet shows this type of heat transfer.

a)

conduction

b)

convection

c)

radiation

6.

The ______ air rises and the cold air sinks in convection heat transfer.

a)

warm

b)

cold

c)

same

d)

very cold

7.

This is the transfer of thermal energy through "space".

a)

conduction

b)

radiation

c)

convection

d)

spaceship

8.

The energy of moving particles is called _____.

a)

sound energy

b)

heat or thermal energy

c)

light energy

d)

mechanical energy

9.

When particles are heated they begin to ____.

a)

move faster

b)

mover slower

c)

move up

d)

jump out of the pot

10.

Materials such as metal and wire are good ________________________ because heat can easily transfer through them

a)

Conductors

b)

Insulators

11.
Conductors are materials that...
a)
Allow heat to pass through
b)
Stop heat from passing through
c)
Allow cold to pass through
d)
Stop cold from passing through
12.
Gloves help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
13.
Which state of matter has particles that are tightly packed?
a)
liquid
b)
gas
c)
solid
14.
In which state of matter are molecules moving the fastest?
a)
solid 
b)
liquid
c)
gas
d)
the molecules move equally fast in all states of matter
15.

Two objects have different temperatures. Object A has a temperature of 42 degrees and Object B is 37 degrees. Which direction should the energy transfer between Objects A and B?

a)

From Object A to Object B

b)

From Object B to Object A

c)

Energy will not transfer

d)

Energy will transfer both directions

16.

The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature.

a)

Thermal Energy

b)

Cooler to Warmer

c)

Energy Transfer

d)

Thermal Equilibrium

17.

Which of the following is a factor that determines thermal energy?

a)

Mass

b)

Heat

c)

Transfer of thermal energy

d)

Conduction

18.

Reflection is when

a)

Energy carried by a wave is absorbed by a substance

b)

Energy carried by a wave is bounced off a surface

c)

Energy carried by a wave is passed through a substance

d)

Energy carried by a wave is redistributed among the surface particles

19.

Select all the factors that affect how thermal energy will transferred

a)

Thickness of an object

b)

Reflectivity of an object

c)

Texture of an object

d)

Exposed surface area

20.
Open systems like the oven allows energy to enter and leave
a)
True
b)
False