2nd Semester Test Review

1. 3 m/s north is an example of a(n) _____

• speed

• velocity

• time

• acceleration

A car moves around a wide turn going 45 mi/hr the whole time. The car has a constant _____

• speed

• velocity

• direction

• acceleration

A material through which electrons do NOT flow easily is a(n) ____________.

• insulator

• fuse

• conductor

• circuit breaker

Which of the following is measured in Newtons?

• weight

• momentum

• mass

• acceleration

Tags

NGSS.MS-PS2-4

The upward force on an object falling through the air is ____.

• air resistance

• momentum

• inertia

• gravity

The relationship among mass, force, and acceleration is explained by ____.

• Law of Conservation of Momentum

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

Tags

NGSS.MS-PS2-2

According to Newton’s laws, for any object, the greater the force that's applied to it, the greater its ____ will be.

• acceleration

• inertia

• gravity

• size

Tags

NGSS.MS-PS2-2

An astronaut is planning a trip to a newly-discovered planet. According to the Law of Universal Gravitation, the astronaut's weight on the new planet will be greater than his weight on Earth if:

• the new planet has less gravity than Earth.

• the new planet has the same gravity as Earth.

• the new planet has more gravity than Earth.

• the gravity of the planet doesn't matter. Weight is the same everywhere in the universe.

Tags

NGSS.MS-PS2-4

"To every action there is an equal and opposite reaction" describes which law?

• Newton’s 1st Law

• Newton’s 2nd Law

• Newton’s 3rd Law

Tags

NGSS.MS-PS2-1

The ____ energy of an object increases with its height.

• chemical potential

• kinetic

• thermal

• gravitational potential