Copy of 8th Grade MidTerm Review

Front

What is the chemical formula for sodium bicarbonate?

Back

NaHCO₃

Front

How many different elements are in sodium bicarbonate?

Back

4 (Sodium, Hydrogen, Carbon, Oxygen)

Front

What is the formula to calculate acceleration?

Back

Acceleration = Net Force / Mass

Front

If a 3 kg car experiences a net force of 12 N, what is its acceleration?

Back

4 m/s²

Front

What force does a wall exert when a student pushes against it with 20N of force?

Back

20N of force.

Front

What is Newton's First Law of Motion?

Back

An object at rest will remain at rest, and an object in motion will continue in motion unless acted upon by a net external force.

Front

What is Newton's Second Law of Motion?

Back

The amount of force is equal to mass times acceleration (F = ma).

Front

What is Newton's Third Law of Motion?

Back

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

Front

What type of energy does a roller coaster have at the top of a hill?

Back

Only potential energy.

Front

What type of energy does a roller coaster have at the bottom of a hill?

Back

Only kinetic energy.