Thermal Energy

Which of the following is a method of heat transfer that occurs through direct contact between objects?

• Radiation

• Conduction

• Convection

• Insulation

What is the primary method of heat transfer in fluids, such as liquids and gases?

• Conduction

• Radiation

• Convection

• Evaporation

Which method of heat transfer does not require a medium and can occur in a vacuum?

• Conduction

• Convection

• Radiation

• Conduction and Convection

When two objects are in thermal equilibrium, what can be said about their temperatures?

• One is hotter than the other

• They have the same temperature

• They have different temperatures

• One is colder than the other

Which of the following statements best describes the relationship between thermal energy and kinetic energy?

• Thermal energy is unrelated to kinetic energy

• Thermal energy is the total kinetic energy of particles in a substance

• Kinetic energy is the total thermal energy of particles in a substance

• Thermal energy is always greater than kinetic energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

• It decreases

• It remains the same

• It increases

• It becomes zero

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

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

• A metal spoon getting hot in a cup of coffee

• Warm air rising to the ceiling

• The Sun warming your face

• Ice melting in your hand

Tags

NGSS.MS-PS4-2

If a hot object is placed in contact with a cold object, in which direction will heat flow?

• From the cold object to the hot object

• From the hot object to the cold object

• Heat will not flow

• In both directions equally

Tags

NGSS.MS-PS3-4

Which of the following best describes convection currents?

• Heat transfer through empty space

• Circular motion of fluids due to temperature differences

• Heat transfer through direct contact

• Heat transfer through a solid material

Tags

NGSS.MS-ESS2-6

What is the effect of increasing the temperature of a gas on the speed of its particles?

• The speed decreases

• The speed remains constant

• The speed increases

• The speed becomes zero

Tags

NGSS.MS-PS1-4