Thermal Transformations 6.9A

Thermal Transformations

Multiple Choice

Which of the following is a FALSE statement?

• Heat moves through solids by conduction.

• Molecules move faster in warmer substances.

• Warm water is denser than cold water.

• Heat moves through liquids and gases by convection.

Multiple Choice

What is an example of conduction?

• Touching a stove and burning your hand

• An old-fashioned radiator

• Heat from a fire

• Batteries

Multiple Choice

What is another example of convection?

• A heater in a fish tank warming the water at the bottom of the tank

• Batteries in a flashlight converting chemical energy into light

• Touching a stove and burning your hand

• Warming up next to a fire on a cold night

Multiple Choice

What is another example of radiation?

• Warm air rising

• Heat from an old-fashioned radiator

• Batteries

• Touching a stove and burning your hand

Multiple Choice

The word medium is used in Paragraph 4. Which of the following could be the definition of medium?

• A vacuum

• Empty space

• Anything with molecules; matter

• The absence of molecules in an area