Middle School Science Review

Front

What form of energy must solar energy be changed into in order to run household appliances?

Back

Electrical energy is the form of energy that solar energy must be converted into to power household appliances.

Front

What is the net force when two forces of 4000 N right and 5000 N left are applied?

Back

The net force is 4000 N left.

Tags

NGSS.HS-PS2-1

Front

What is defined as the distance an object travels per unit of time?

Back

Speed is the unit defined as the distance an object travels per unit of time.

Front

Inertia is the tendency of an object to resist a change in its ___________.

Back

Inertia is the tendency of an object to resist a change in its motion.

Front

What kind of energy does a ringing bell give off?

Back

A ringing bell gives off sound energy.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

Tags

NGSS.MS-PS3-1

Front

What is the unit of force in the International System of Units (SI)?

Back

The unit of force in the SI system is the Newton (N).

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or state.

Tags

NGSS.MS-PS3-2

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Tags

NGSS.MS-PS3-1