Arizona Science

Acceleration: is the rate of change in ___________.

• speed

• distance

• velocity 

• displacement 

In each of the following cases, determine where the car has no acceleration ?

• A car shortly after a stoplight turns green.

• A car approaching a red light

• A car with the cruise control set at 80 km/h

• A car moving down a ramp

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The picture of the position vs. time graph shows an object that is...

• accelerating/speeding up

• moving at a constant speed 

• not moving 

• accelerating/slowing down. 

Tags

NGSS.MS-PS3-1

Which graph shows the object standing still?

• A

• B

• C

• D

Magnetism is generated by moving

• protons.

• electrons.

• neutrons.

• elements.

Tags

NGSS.MS-PS2-3

What do the lines around this magnet represent?

• North Pole

• South Pole

• Magnetic Declination

• Magnetic Field

Tags

NGSS.MS-PS2-3

If you cut a magnet in half, what happens to the poles?

• One half gets the North Pole, the other half gets the South Pole

• Both halves get only a North Pole

• Both halves get only a South Pole

• Both halves get a North pole and a South Pole

If the North Pole of a permanent magnet is placed next to a compass as seen in the picture, which direction will the needle move?

• Clockwise

• Counter-clockwise

• It will not move

• Need more information

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If you place the North pole of a magnet next to the South pole of another magnet, they will:

• Attract

• Repel

• Do nothing

• Shatter

Tags

NGSS.3-PS2-3