PCS 5th Grade Physical Science Review

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each substance retains its own properties. For example, a salad is a mixture of different vegetables.

Front

What is repulsion in physics?

Back

Repulsion is a force that pushes objects away from each other, such as like charges in electricity or magnets.

Front

What is sound energy?

Back

Sound energy is a type of energy produced by vibrating sound waves. It can be generated by various sources, such as musical instruments or voices.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

Front

What is an example of energy causing a change?

Back

Rolling a bowling ball across the floor demonstrates energy causing a change, as it moves from one place to another.

Front

What is a chemical change?

Back

A chemical change occurs when substances combine or break apart to form new substances, such as when iron rusts.

Front

What is a force?

Back

A force is a push or pull on an object that can cause it to move, stop, or change direction.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It powers devices like lights and speakers.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water, where the substance changes state but remains the same material.

Front

What is attraction in physics?

Back

Attraction is a force that pulls objects toward each other, such as the gravitational pull between the Earth and the Moon.