MAP Physical Science MEGA Review

Front

How can you put an object in motion?

Back

An object can be put in motion with a push or a pull.

Front

What type of energy does thermal energy come from?

Back

Thermal energy comes from the kinetic energy of the atoms and molecules that make up the matter.

Front

What force does a weightlifter exert to hold a barbell weighing 756 N?

Back

The weightlifter exerts a force of 756 N to hold the barbell up.

Front

What is an example of evaporation?

Back

Water boiling is an example of evaporation.

Front

What type of chemical reaction releases energy?

Back

A chemical reaction that releases energy can be used to heat up other substances.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of motion, which depends on the mass and speed of an object.

Front

What is the law of conservation of energy?

Back

The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is potential energy?

Back

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

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the boiling point of water?

Back

The boiling point of water is 100 degrees Celsius (212 degrees Fahrenheit) at standard atmospheric pressure.