Unit 6 Test - Physical Science

The law of universal gravitation states that all objects attract each other through ____________________.

• gravity

• magnetism

• electricity

• friction

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

T/F: Density=mass/speed

• True

• False

The pressure caused by the weight of the atmosphere is called atmospheric weight.

• True

• False

T/F: All forces act in pairs.

• True

• False

Tags

NGSS.MS-PS2-1

Neils Bohr described three laws of motion that explain the relationship between force and motion.

• True

• False

Average acceleration= (final velocity-starting velocity)/time

• True

• False

If two objects travel the same distance, the object that takes less time has the greater speed.

• True

• False

Force=mass x acceleration

• True

• False

Tags

NGSS.HS-PS2-1

A reference point is a location to which you compare other locations.

• True

• False

Motion is a change in position over time.

• True

• False

Tags

NGSS.3-PS2-2