Light and heat grade 4

Which one of these is NOT a source of light?

• a firefly

• a book

• the sun

• a torch

There are _____ ways that heat can travel.

• 2

• 4

• 6

• 3

Convection is

• The flow of energy through touch.

• The flow of energy through heated liquids or gases.

• The flow of energy through open space.

What is the definition of CONDUCTION?

• When heat transfers from objects that are touching.

• When heat transfers through the heater or AC in your house.

The sun shines down on this family as the play on the beach.

• conduction
• convection
• radiation

Which of the following is NOT a method of heat transfer?

• convection
• induction
• conduction
• radiation

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

The man takes the hot pot off the stove with his bare hands and his hands get burned.  This is an example of 

• conduction
• convection
• radiation

A source of heat gives off heat energy. Which heat source transfers heat energy in the form of radiation?

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Each picture shows a source of heat. Which picture shows heat transfer through convection?

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