8th grade Semester 1 Review

Front

What can waves transfer energy through?

Back

Waves can transfer energy through solid, liquid, gas, and empty space. In fact, they can transfer energy through all of the above.

Front

What is the size or quantity of something called?

Back

The size or quantity of something is referred to as Magnitude.

Front

What happens to the electromagnetic force as the distance between two electromagnets increases?

Back

The smaller the distance between two electromagnets, the greater the force.

Front

What is Newton's 3rd Law?

Back

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

Front

What affects the strength of an electrical field?

Back

The strength of an electrical field is affected by both the quantity of the charge and the distance from the source.

Front

What is the definition of energy transfer?

Back

Energy transfer is the process of energy moving from one place to another or from one form to another.

Front

What is the relationship between distance and gravitational force?

Back

As the distance between two objects increases, the gravitational force between them decreases.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

What is the formula for calculating force?

Back

Force is calculated using the formula: Force = Mass x Acceleration.

Front

What is the definition of electromagnetic force?

Back

Electromagnetic force is the force that acts between charged particles, responsible for electricity and magnetism.