Energy Unit Review

Front

Which of the following heat exchange processes involves the collision of particles? insulation, conduction, convection, radiation

Back

conduction

Front

Why does a floor covered with tile feel colder than a floor covered with carpet?

Back

The tile floor conducts heat better than the carpet.

Front

Which best shows the path of the conduction of thermal energy in an electric hotplate used to cook food in an all-metal frying pan? Options: Pan-Coil, Coil-Pan-Meat, Meat-Pan-Handle, Handle-Coil

Back

Coil-Pan-Meat

Front

Kinetic energy is

Back

the energy of motion

Front

Which of the following statements about thermal energy is true? thermal energy will transfer only through radiation, thermal energy will transfer only if there are liquids involved, thermal energy will always transfer from the cooler object to the warmer object, thermal energy will always transfer from the warmer object to the cooler object

Back

thermal energy will always transfer from the warmer object to the cooler object

Front

Heat transferred by the circulation or movement of fluids

Back

convection

Front

Heat transferred through matter or empty space by electromagnetic waves; no direct contact is needed

Back

radiation

Front

An increase in the size of a substance due to an increase in the temperature of a substance

Back

thermal expansion

Front

How does the color of an object affect the amount of energy it receives from sunlight?

Back

Dark colored objects absorb more light and become warmer than lighter objects.

Front

What is the effect of absorption of ultraviolet light by human skin?

Back

sunburn on the skin surface