Science Thermal Energy

Water makes a good coolant because it has a ____.

• high boiling point

• low specific heat

• low freezing point

• high specific heat

The thermal energy of an object is ____.

• its kinetic energy plus its potential energy

• its potential energy

• its average kinetic energy

• its potential energy minus its kinetic energy

When temperature increases, average _____ increases.

• potential energy

• gravitational potential energy

• kinetic energy

• total energy

Temperature is a measure of ____ of the particles in an object.

• the average potential energy

• the average kinetic energy

• the difference between the potential and kinetic energy

• the sum of the potential and kinetic energy

When a substance is cooled it usually expands. _______________

• True

• False

When water is heated on a stove, which kind of energy is transferred?

• potential energy

• thermal energy

• gravitational energy

• kinetic energy

To check if a stove top is hot, you place your hand near the top of the stove and feel that it is warm without touching it. You can feel the heat from the stove top because of _____.

• radiation

• kinetic energy

• conduction

• convection

When a pot of water is put on a stove, the water at the top gets hot primarily by ____.

• convection

• conduction

• radiation

• condensation

Air is a good conductor of heat. _______________

• True

• False

When you hold a ball above ground it has kinetic energy. _______________

• True

• False