Chapter 9 Review

_____ is the ability to make something move.

• Mechanical energy

• Chemical energy

• Motion

• Inertia

Tags

NGSS.MS-PS2-2

A fixed unmoving object or location is _____.

• potential energy

• a joule

• a reference point

• effort force.

_____ is the change of an object’s position.

• Kinetic energy

• Motion

• Speed

• Resistance

The _____ of an object is determined by its mass and velocity.

• inertia

• effort force

• momentum

• stored energy.

Tags

NGSS.HS-PS2-2

_____ occurs whenever an object speeds up, slows down, or changes direction.

• Momentum

• Inertia

• Friction

• Acceleration

Tags

NGSS.MS-PS2-2

The resistance to a change in motion is called _____.

• inertia

• friction

• effort force

• velocity

Henry usually runs about 7.5 mi/hr.

• speed

• acceleration

• distance

• velocity

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

On the day of the race, Henry ran along the track toward the east at 7.5 mi/hr.

• velocity

• acceleration

• distance

• speed

Tags

NGSS.MS-PS3-1

The runner at the front of the race suddenly stumbled over a piece of gravel. His speed slowed.

• acceleration

• distance

• speed

• velocity

Tags

NGSS.MS-PS3-5

Henry increased his speed, passed the runner, and won the race.

• acceleration

• distance

• speed

• velocity