Q2 Energy Unit Assessment

Energy is the ability to...?

• do work.

• do push ups.

• study for the unit assessment.

• run.

Energy Transfer is energy flowing from one ______ to another?

• source

• pocket

• frequency

• spectrum

Mechanical energy consists of _____ energy and _____energy. (check all that apply)

• potential

• heat

• cold

• kinetic

In a closed system, the total amount of energy always.....

• remains the same.

• changes.

• goes up and then down.

• hurts my brain

A rock sitting on top of a really high cliff has a lot of....

• gravitational potential energy.

• gravitational kinetic energy.

• weight.

• speed.

Heat is the flow of ____ through a substance.

• energy

• light

• air

• water

Mechanical energy is measured in what unit?

• Joules

• Watts

• Volts

• Calories

Heat is measured in what units?

• Degrees

• Joules

• Kilowatts

• Pounds

heat transfers from _____ to ______ substances.

• warm, cool

• cool, warm

• heavy, light

• light, heavy

Conductors are substances that allow energy to travel through them _______.

• efficiently.

• toughly.

• hardly.

• like running in quicksand.