Unit 5 Check

Fill in the blank: ______ is how quickly work is done.

• power

• energy

• force

• velocity

Fill in the blank: ______ is the ratio of output work to input work.

• efficiency

• power

• force

• velocity

Fill in the blank: A ______ is a machine that does work with only one movement.

• simple machine

• complex machine

• electronic device

• hydraulic system

Two sleds are traveling down a hill at the same speed. Sled B has more mass than Sled A. They are stopped with the same force. Who would take longer to stop?

• Sled A would take longer to stop.

• Sled B would take longer to stop.

• Both sleds would take the same time to stop.

• It cannot be determined from the information given.

Tags

NGSS.MS-PS2-2

which box has more acceleration?

• top

• bottom

Tags

NGSS.MS-PS2-2

How much force is needed to accelerate a 3kg skateboard at 5m/s^2.

• 8N

• 1.6N

• 0.6N

• 15N

Tags

NGSS.MS-PS2-2

What does this graph represent?

• Constant speed

• Acceleration

• Not moving

Tags

NGSS.MS-PS3-1

The Sun drives the water cycle by doing which of the following?

• Rotating on its axis

• Giving off light for plants.

• Keeping Earth in orbit.

• Providing heat for evaporation

Tags

NGSS.MS-ESS2-4

Rain, sleet and snow are all forms of _____________

• evaporation

• condensation

• precipitation

• accumulation

Tags

NGSS.MS-ESS2-4

___ is the process by which water is converted from a liquid to a gas.

• condensation

• precipitation

• evaporation

• runoff

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4