Heat Energy

Multiple Choice

The main source of light is

• the sun
• the moon
• the stars
• Jupiter

Multiple Choice

Materials that do not let any light pass through them

• opaque
• translucent
• transparent
• reflection

Multiple Choice

When light can easily pass through an object, we say that that object is ___ .

• transparent
• translucent
• opaque
• transported

Multiple Choice

Materials that let some light rays pass through but scatter some of the other rays

• translucent
• transparent
• opaque
• wood

Multiple Choice

Light always travels in a...

• Curved line
• Zig Zag line
• Up and down
• Straight line

Open Ended

Why do you think heat is important in our daily lives?

Multiple Choice

Which of the following is a common source of heat in your home?

• Refrigerator

• Stove

• Television

• Fan

Multiple Choice

What is heat?

• A form of energy that flows from a warmer material to a colder one.

• A type of matter that stays in one place.

• A sound made by musical instruments.

• A measurement of how cold something is.

Multiple Choice

When ice cubes are added to a hot chocolate drink, what happens to the temperature of the drink and the ice cubes?

• The drink cools down and the ice cubes warm up and melt.

• The drink heats up and the ice cubes freeze.

• Both the drink and ice cubes stay the same temperature.

• The drink evaporates and the ice cubes disappear.

Fill in the Blank

Fill in the blank: Temperature is a measurement of how ___ or cold something is.

Open Ended

If you put a scoop of ice cream into a warm bowl, what will be the direction of the flow of heat?

Multiple Select

Select all the correct statements about the flow of heat based on the images:

• Heat flows from a warmer object to a colder one.

• Heat flows from a colder object to a warmer one.

• Temperature difference causes heat to flow.

• Heat flows from the bowl to the ice cream if the bowl is warmer.

Multiple Select

Select all the objects that are artificial sources of heat.

• Volcano

• Oven

• Hand dryer

• Hot spring

Open Ended

What is the difference between natural and artificial sources of heat?

Multiple Choice

Which of the following is a natural source of heat?

• Hand dryer

• Oven

• Sun

• Hair dryer

Fill in the Blank

Heat flows through solids by a process called ___.

Multiple Choice

How does heat flows?

• From hotter places to colder places

• From colder places to hotter places

• From left to right

• From right to left

Multiple Choice

How heat moves through a solid?

• Heat moves through a solid by construction.

• Heat moves through a solid by raining.

• Heat moves through a solid by conduction.
• Heat moves through a solid by cup of coffee.

Multiple Choice

Which of the following metals is NOT a thermal conductor?

• Copper

• Gold

• Aluminum

• Plastic

Fill in the Blank

Thermal insulators do not allow ___ to flow easily through them.

Multiple Choice

Which of the following materials is an example of a thermal insulator?

• Fabric

• Metal

• Glass

• Water

Multiple Choice

Which of the following is a source of heat?

• The Sun

• A refrigerator

• A book

• A plastic cup

Open Ended

What is one thing you learned about heat in today's lesson?