Inspire Science

If you drop a rock in a lake, the rock will slow down because the water exerts_______.

• gravity

• less resistance

• drag forces

• velocity

Tags

NGSS.MS-PS2-2

An object that is sitting still has _______ forces acting on it.

• unbalanced

• balanced

A boy pushes on a box and moves it across the room. This is an example of _____.

• balanced forces

• unbalanced forces

• potential energy

• chemical energy

Tags

NGSS.MS-PS2-2

Objects in motion tend to stay in motion becasue of the property of_______.

• inertia

• gravity

________ describes when a moving object speeds up.

• Acceleration

• Velocity

What causes heat when rubbing your hands together?

Tags

NGSS.MS-PS3-5

NGSS.MS-PS1-4

How can you determine the speed of a moving train?

• Divide the distance traveled by the time spent moving

• Divide the time spent moving by the direction traveled

• Multiply the distance traveled by the time spent moving

• Multiply the kinetic energy by the distance traveled

Tags

NGSS.MS-PS3-1

The law of conservation of energy is?

• A brake on a bike rubbing against a wheel

• Energy is transformed when it passes from one object to another.

• Energy being transformed when it charges from one form to another.

• Energy that cannot be created or destroyed

Tags

NGSS.MS-PS3-5

The tendency of an object in motion to stay in motion or of an object at rest to stay at rest is?

• friction

• Inertia

• gravity

• Law of Conservation of Energy

What is a contact force

• many forces occur when one object touches another.

• Many forces occur when no object touch each other.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1