8th Physical Science GA Milestones Review Mr. Tanner

Front

What happens to elements as you move from left to right across a period in the periodic table?

Back

They change from metals to nonmetals.

Front

Which wave has the second highest frequency on the electromagnetic spectrum?

Back

X-rays.

Front

What are friction and gravity classified as?

Back

Both are forces.

Front

What energy transformation occurs in a hydroelectric power plant?

Back

Mechanical to electrical.

Front

What is a valence electron?

Back

An electron that is found in the outermost shell of an atom.

Front

What is the definition of a force?

Back

A push or pull that can cause an object to accelerate.

Front

What is the relationship between frequency and wavelength in waves?

Back

As frequency increases, wavelength decreases.

Front

What is potential energy?

Back

Energy stored in an object due to its position or arrangement.

Front

What is kinetic energy?

Back

Energy of an object in motion.

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed.