Grade 4 Chapter 1.4 Review

True or false? All objects radiate thermal energy.

• True

• False

The only way to transfer energy without matter is by:

• Convection

• Conduction

• Heating

• Radiation

True or false: Cool air rises and warm air sinks

• True

• False

The transfer of thermal energy is called:

• Convection current

• Radiation

• Heat

Which of these is NOT a good thermal conductor?

• Feathers

• Metal

• Stone

Which of these are good thermal insulators?

• Plastic and metal

• Metal and wood

• Plastic and stone

• Wood and plastic

Convection is the transfer of heat through:

• Space

• Time

• A fluid

• Stone

A cycle of particles warming, rising, cooling, and falling is called a:

• Radiation wave

• Convection current

• Conduction current

• Thermal insulator

How does radiation travel?

• Waves

• Matter particles

• Flames

• Cold air

The transfer of energy is known as:

• Convection

• Conduction

• Radiation