What is the direction of heat energy transfer?

• From cooler objects to warmer objects

• From warmer objects to cooler objects

• From solid objects to liquid objects

• From liquid objects to solid objects

What does the electromagnetic spectrum include?

• Only visible light

• Waves of various wavelengths

• Only sound waves

• Only ultraviolet waves

What can electromagnetic waves cause in a material?

• A decrease in temperature

• A change in color

• A change in temperature

• A change in shape

What is PS.6.2.1 about?

• Using models to compare sound waves

• Using models to compare the directional transfer of heat energy

• Using models to compare light waves

• Using models to compare chemical reactions

What is PS.6.2.3 about?

• Investigating sound waves

• Investigating light waves

• Investigating the transfer of thermal energy in insulated and non-insulated materials

• Investigating chemical reactions

What is radiation in terms of heat transfer?

• Transfer of heat through a fluid

• Transfer of heat through electromagnetic waves

• Transfer of heat through direct contact

• Transfer of heat through sound waves

What is convection in terms of heat transfer?

• Transfer of heat through electromagnetic waves

• Transfer of heat through a fluid

• Transfer of heat through direct contact

• Transfer of heat through sound waves

What happens to materials when they cool back off?

• They expand and increase in volume

• They contract and decrease in volume

• They change color

• They remain the same

How does thermal energy travel through fluids?

• Conduction

• Convection

• Radiation

• Reflection

What is the result when thermal energy is converted into light energy?

• The material heats up

• The material cools down

• The material changes color

• The material expands