Energy Review

The ____ energy of an object increases with its height.

• chemical potential

• kinetic

• thermal

• gravitational potential

When water at 10°C is heated to 20° C its kinetic energy

• decreases

• increases

• stays the same

• is unaffected

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The law of ___ states that energy in a system can change forms but can never be created or destroyed.

• conservation of energy

• conservation of mass

• conversion of energy

• construction of energy

Tags

NGSS.MS-PS3-5

The kinetic energy of an object increases as its ____ increases.

• height

• speed

• volume

• potential energy

Tags

NGSS.MS-PS3-1

Which of these is NOT an insulator?

• wool blanket

• metal spoon

• wooden floor

• plastic bowl

Energy stored in food would be considered

• chemical potential

• kinetic

• thermal

• gravitational potential

Conduction is the transfer of heat energy by

• direct particle contact

• electromagnetic waves

• density differences

• movement through a vacuum

An example of an energy conversion from kinetic to thermal energy would be

• friction

• television

• flower

• gravity

Tags

NGSS.MS-PS3-5

Green plants convert light energy from the sun into ____energy during photosynthesis.

• gravitational potential energy

• chemical potential energy

• thermal energy

• mechanical energy

Tags

NGSS.MS-LS1-6

The mechanical energy of a coconut falling from a tree decreases.

• doesn’t exist

• increases

• decreases

• remains constant

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5