Energy, Lesson Four (Thermal Energy)

Multiple Choice

A student drops a tennis ball. The tennis ball hits the floor and then bounces up again. At what point does the ball have the greatest amount of gravitational potential energy?

• before it is dropped

• just before it hits the floor

• half-way between the drop point and the floor

• when it reaches its highest position after the bounce

Multiple Choice

Which of the following has the most kinetic energy?

• A ball going 10 mph

• A bicycle going 10 mph

• A car going 10 mph

• A bus going 10 mph

Multiple Choice

Sound is a type of energy made by _______

• vibrations
• static forces
• chemical reactions
• magnetic fields

Multiple Choice

Food is an example of _______ energy.

• Mechanical 
• Chemical
• Thermal
• Sound

Multiple Choice

Thermal energy is the random movement of particles (molecules/atoms) that cause ____

• Space

• Heat

• Light

• Sound

Multiple Choice

Thermal energy increases if the mass or number of particles _____

• Decreases

• Increases

Multiple Choice

______ is the thermal energy that is transferred from one object to another due to the temperature difference between them.

• Space

• Temperature

• Heat

• Degrees

Multiple Choice

Heat always flows from ________ objects

• Cold to Cold

• Cold to Hot

• Hot to Hot

• Hot to cold

Multiple Choice

Heat is measured in ____

• Joules

• Pounds

• Inches

• Meters

Multiple Choice

A snowball melting in your hand

• Conduction

• Convection

• Radiation

Multiple Choice

An air conditioning unit sending out cool air into a room

• Conduction

• Convection

• Radiation

Multiple Choice

The sun warming the surface of a rock

• Conduction

• Convection

• Radiation

Multiple Choice

Baking a cake in an convection oven

• Conduction

• Convection

• Radiation

Multiple Choice

Ice Cream melting on top of a hot brownie

• Conduction

• Convection

• Radiation

Multiple Choice

Sitting around a camp fire and feeling the heat

• Conduction

• Convection

• Radiation

Multiple Choice

Leaving a spoon in a bowl of soup and the spoon begins to get warm

• Conduction

• Convection

• Radiation

Multiple Choice

During _______ warm water or air rises and cold water or sinks

• Conduction

• Convection

• Radiation

Match

Match the following

• transfer of energy through rays or waves, without touching.

• transfer of energy through matter by the direct contact of its particles

• transfer of energy through currents in a liquid or a gas

Radiation

Conduction

Convection

• Radiation

• Conduction

• Convection