Thermal Energy Quiz

What is absolute zero?

• The temperature at which the motion of particles stops.
• The temperature at which gases condense.
• The temperature at which ice melts.
• The temperature at which water boils.

What is conduction?

• The movement of heat within fluids.
• The transfer of heat through electromagnetic waves.
• The process of heat rising and cooling down.
• The transfer of heat energy from one substance to another through contact.

What happens when two objects of different temperatures come into contact?

• Both objects will cool down equally.
• Heat will flow from the cooler object to the hotter one.
• No heat transfer occurs.
• Heat will flow from the hotter object to the cooler one.

What is heat transfer?

• The total thermal energy of a substance.
• The flow of thermal energy from one object to another.
• The energy stored in chemical bonds.
• The increase in temperature of an object.

What is radiation?

• The transfer of heat through direct contact.
• The transfer of heat energy by electromagnetic waves.
• The process of heat rising in the air.
• The movement of heat within liquids only.

What does thermal energy refer to?

• The energy released during nuclear fission.
• The energy contained within a system, substance, or object.
• The energy produced by chemical reactions.
• The energy stored in food.

What is temperature a measure of?

• The amount of thermal energy in joules.
• The average kinetic energy of molecules in an object.
• The speed of sound in a substance.
• The total mass of an object.

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

• Fusion
• Radiation
• Convection
• Conduction

What happens to the density of a fluid as it heats up?

• Its density remains the same.
• Its density increases.
• Its density decreases.
• Its density becomes unpredictable.

What is an example of heat transfer by radiation?

• The warmth felt from the sun on your skin.
• Boiling water in a pot on the stove.
• The sensation of cold air hitting your skin on a winter day.
• The breeze you feel when standing near a fan.