Heat – Grade 5 Science

What is heat?

• A type of sound energy

• A form of energy that makes things warmer

• A kind of light energy

• A force that pulls objects down

Which of the following is a good conductor of heat?

•  Wood

• Plastic

• Metal

• Rubber

What happens to most materials when they are heated?

• They expand

• They shrink

• They stay the same

• They disappear

How does heat travel from the Sun to the Earth?

• By conduction

• By convection

• By radiation

• By insulation

Which of these materials is the best insulator?

• Copper

• Aluminum

•  Wool

•  Iron

When you hold an ice cube in your hand, why does it melt?

• Your hand absorbs cold from the ice

• Heat from your hand transfers to the ice

• The ice produces heat

• The air around the ice cools it down

What is the main source of heat energy on Earth?

• Electricity

• The Moon

• The Sun

• 1. Friction

Which of these is an example of heat transfer by convection?

• A spoon getting hot in a cup of tea

• Warm air rising and cool air sinking

• Feeling warmth from a campfire

• A metal rod heating up when placed in a flame

Why do we wear thick clothes in cold weather?

• To absorb heat from the air

• To trap body heat and keep us warm

• To produce more heat

• To block sunlight

What instrument is used to measure temperature?

• Thermometer

• Barometer

• Anemometer

• Hydrometer