Science Exam Review - 2nd 9 Weeks

Front

What happens without gravity?

Back

We would float away.

Front

Which object rolled the fastest and furthest when the same force was applied?

Back

The marble.

Front

How far did the object travel in 60 seconds if it traveled 40 meters?

Back

40 m.

Front

What does a lamp sitting on a table demonstrate according to Newton's laws?

Back

Newton's 1st Law.

Front

What is the vertical force acting on a box floating in space if it is 50N upward?

Back

50N upward.

Front

What is gravity?

Back

A force that pulls objects toward each other.

Front

What is Newton's 1st Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a force.

Front

What is the difference between speed and velocity?

Back

Speed is how fast something is moving; velocity includes direction.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.