Physical Science 9 Weeks Exam

Front

What is a characteristic of force?

Back

Force can either push or pull objects.

Front

How can friction between two surfaces be increased?

Back

By increasing the force pushing the surfaces together.

Front

How is the Modern Periodic Table of Elements arranged?

Back

It is arranged by atomic number.

Front

What does Newton's 3rd law of motion state?

Back

For every action, there is an equal and opposite reaction.

Front

What can be inferred about a biker's motion if they are decelerating?

Back

The biker is slowing down.

Front

Define force in physical science.

Back

A push or pull on an object.

Front

What is friction?

Back

The resistance that one surface or object encounters when moving over another.

Front

What is the relationship between mass and acceleration according to Newton's second law?

Back

Acceleration is directly proportional to the net force acting on an object and inversely proportional to its mass.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = ma).

Front

What is kinetic energy?

Back

The energy an object possesses due to its motion.