Physical Science Pre-Test

What is the terms for the speed when the force of gravity is balanced by the air resistance?

• terminal velocity

• super fast

• zero gravity

Tags

NGSS.MS-PS2-2

If an object is falling towards the ground, when is kinetic energy the greatest?

• just after starting to fall

• halfway down

• just before it hits the ground

• after it hits the ground

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Two atoms with the same number of protons must be the same element.

• True

• False

Why does a straw sitting in a glass of water look "broken"?

• relfection

• diffusion

• refraction

• transmission

Tags

NGSS.MS-PS4-2

Nitrogen makes up about how much of the air around us?

• 28%

• 58%

• 78%

Which type of atomic bond involves the sharing of electrons?

• covalent

• ionic

Heat always flows from warm to cold.

• True

• False

Tags

NGSS.MS-PS1-4

On which side of a chemical equation are the reactants found?

• right

• left

• trick question: there are no reactants

Tags

NGSS.MS-PS1-5

Which law is shown by a balanced chemical equation?

• Law of Conservation of Matter (Mass)

• Law of Conservation of Energy

• Law of Superposition

• Law of Gravity

Tags

NGSS.MS-PS1-5

What is the name for energy of motion?

• Potential

• Kinetic

• Nuclear

• Thermal

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5