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Thermal energy

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

stir frying

2.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

ironing

3.

What type of heat transfer is shown here?

a)

convection

b)

conduction

c)

radiation

d)

sun shining

4.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

hot air balloon

5.

If a door was left open between the bedroom (74 degrees) and the living room (68 degrees), what would likely happen to the temperatures after several hours?

a)

nothing, they would not change

b)

both rooms would become hotter 

c)

both room would become colder

d)

the bedroom temp. would lower and the living room temp. would rise

6.

After holding an ice pack against his skin for 20 minutes, the man notices the ice pack is melting. Why is this happening?

a)

radiation - the ice pack is now all melted

b)

conduction - body heat transferred to the cold ice pack

c)

convection - the water in the ice pack flowed in a circle pattern

d)

conduction - heat came from the bigger object to the smaller

7.

If this drink is sitting outside on a hot, sunny day, name two reason why the drink won't stay cold.

a)

radiation - from the sun is heating the glass

b)

conduction - the table beneath the glass is heating

c)

convection - the air is moving in a circle pattern around

d)

conduction - the straw is heating up

8.

If you were going to use this pan to cook, what do you notice could be a problem?

a)

it is made of metal, a good conductor

b)

the handles are all metal and will be HOT

c)

the sides are all metal and will be HOT

d)

there is no food in the pan to cook

9.
To measure the temperature difference between two cups of water, you would use a _____.
a)
measuring cup
b)
ruler
c)
thermometer
d)
balance scale
10.
Heat will always flow from
a)
from warmer object to a cooler object
b)
inside and object to outside an object
c)
from a cooler object to a warmer object
d)
up to down
11.
Why does a metal lawn chair get hot in the sun when the grass sitting in the same sunlight remains cool to the touch?
a)
Heat travels easily through plants but not metals.
b)
Heat travels easily through both plants and metals.
c)
Heat travels easily through metal objects but not through plants.
12.
Which of the following technologies is NOT primarily a use of THERMAL energy?
a)
ceiling fan
b)
toaster
c)
stove
d)
microwave
13.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
14.

The average kinetic energy of the atomes or molecules within a substance.

a)

thermal energy

b)

kinetic energy

c)

temperature

d)

gas

15.
Andy stirred a hot drink in a styrofoam cup with a  metal spoon.  In what order did the thermal energy reach Andy's hand?
a)
cup-hot chocolate-hand
b)
hand-spoon-hot chocolate
c)
hot chocolate-spoon-hand
d)
hot chocolate-spoon-hand-cup
16.

An aluminum plate and a plastic plate have been in the freezer all night. When you remove them the next morning,

a)

the plates have the same temperature.

b)

the plastic plate has a higher temperature.

c)

the plastic plate has a lower temperature.

d)

the aluminum plate has a lower temperature.

17.

Why would the temperature of boiling water be higher than the temperature of ice water?

a)

Because the particles in the boiling water are moving faster.

b)

Because the particles in the boiling water aren't moving at all.

c)

Because the particles in the boiling water are moving slower.

d)

Because the particles in the boiling water are moving at the same speed.

18.

The Kinetic Theory of matter says that all particles of matter are constantly in _____________.

a)

Motion

b)

state of matter

c)

convection

d)

radiation

19.

In this example, explain the movement of thermal energy in the glass.

a)

Heat is moving from the lemonade to the glass

b)

Heat is moving from the lemonade to the ice

c)

Cold is moving from the ice to the lemonade

d)

Cold is moving from the ice to the glass

20.

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.