Thermal Energy Transfer

Which method of thermal energy transfer requires direct contact between particles?

• Conduction

• Convection

• Radiation

• Reflection

Tags

TEKS.SCI.7.8A

What is the process called when heat moves from a hot object to a cold object until both are the same temperature?

• Thermal equilibrium

• Insulation

• Convection

• Radiation

Tags

TEKS.SCI.7.8B

What happens to the kinetic energy of particles in a substance as its temperature increases?

• It decreases

• It stays the same

• It increases

• It disappears

Tags

TEKS.SCI.7.8C

Which of the following is an example of heat transfer by radiation?

• The Sun warming your face

• Boiling water in a pot

• Touching a metal spoon in hot soup

• Ice melting in your hand

Tags

TEKS.SCI.7.8A

When a hot metal rod is placed in cold water, in which direction does the thermal energy flow?

• From the water to the rod

• From the rod to the water

• Both directions equally

• No energy flows

Tags

TEKS.SCI.7.8B

If the temperature of a gas increases, what happens to the speed of its particles?

• The speed decreases

• The speed increases

• The speed stays the same

• The particles stop moving

Tags

TEKS.SCI.7.8C

Which method of thermal energy transfer occurs mainly in fluids (liquids and gases)?

• Conduction

• Convection

• Radiation

• Insulation

Tags

TEKS.SCI.7.8A

A cup of hot coffee is left in a cooler room. What will eventually happen to the temperature of the coffee?

• It will become hotter than the room

• It will become the same temperature as the room

• It will freeze

• It will stay hot forever

Tags

TEKS.SCI.7.8B

Which statement best describes the relationship between temperature and kinetic energy?

• Higher temperature means lower kinetic energy

• Higher temperature means higher kinetic energy

• Temperature and kinetic energy are not related

• Kinetic energy only exists at low temperatures

Tags

TEKS.SCI.7.8C

Which of the following is NOT a method of thermal energy transfer?

• Conduction

• Convection

• Radiation

• Reflection

Tags

TEKS.SCI.7.8A