Physical Science Review

When I take a piece of clay and roll it into a ball, that is an example of what type of change?

• Atomic Restructuring

• Chemical Change

• Physical Change

• Atomic Change

Acceleration = (Final speed – Initial speed)/Time

As a roller-coaster car starts down a slope, its speed is 4 m/s. But 3 seconds later, at the bottom, its speed is 22 m/s. What is its average acceleration?

If you know the ________________ an object travels in a certain amount of time, you can calculate the speed of the object.

• Rate

• Velocity

• Displacement

• Distance

What scientific law is represented by recycling?

• Conservation of Energy

• Conservation of Matter

• Conservation of Momentum

• Conservation of Time

Tags

NGSS.MS-PS1-5

NGSS.MS-LS2-3

Impulse is _______________ proportional to time.

• Directly

• Indirectly

What is in the nucleus of an atom?

• Proton

• Neutron

• Electron

• Megatron

Because N2 in the atmosphere cannot be used by animals and plants, ____________ have to change it chemically first.

• Bacteria

• Mold

• Animals

• Decomposers

What can be evidence of a chemical reaction happening?

• Light

• Heat

• New Molecules forming

• All of the above

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

This an example of __________ forces

• Balanced

• Unbalanced

• Inelastic

• Elastic

Tags

NGSS.MS-PS2-2

Momentum is _________ __________to mass.

• Directly Proportional

• Directly disproportional

• Not Related

• Vaguely Related

Tags

NGSS.HS-PS2-2