Unit 2.3 Heat Test RY

Heat transfers from ______ objects to _______ objects.

• low temperature, high temperature

• high temperature, low temperature

• extremely low temperature, low temperature

• freezing temperature, freezing temperature

What happens to the amount of thermal energy if you double the size of an object?

• It stays the same

• It doubles

• It is cut in half

• It is multiplied four times

Heat energy traveling through space is an example of _____.

• convection

• density

• radiation

• conduction

What is the meaning of conduction?

• when heat transfers from objects that are NOT touching

• heat rise

• cold fall

• when heat transfers from objects that are touching

Which of the following controls the amount of thermal energy in a material? (choose all that apply)

• temperature

• mass

• size

• weight

Temperature is the measurement of the average ________ energy of the molecules in an object.

• kinetic

• electrical

• stored

• potential

A heat lamp on a reptile cage is what type of heat transfer?

• Conduction

• Convection

• Radiation

• Induction

What happens at absolute zero?

• particles stop moving

• everything turns to a gas

• everything dies

• particles become waves

Hot water ______ due to decreased density, while cool water ____ due to increased density.

• sinks, rises

• rises, rises

• rises, sinks

• convection, radiation

What type of heat transfer happens in liquids and gases?

• Conduction

• Convection

• Radiation

• Conflection