Physical Science Review

True or False - The SI unit for measuring speed is miles per hour (mi/hr)

• true
• false

Calculate the velocity of a cyclist traveling 60 kilometers south over a period of 6 hours.

• 10 km/hr
• 10 km/hr south
• 10 mi/hrnsouth
• 360 km/hr south

What tool would you use to remove iron from sand?

• filter
• magnet
• evaporation
• filter paper

Frank jumps into a raft in his pool. As he jumps, he moves forward as the raft moves in the opposite direction. Which answer best describes the correct answer.

• The 1st law because a body at rest tends to stay at rest
• The 3rd law because for every action there is an equal and opposite reaction
• The 2nd law because as the mass increases so does the force
• The 4th law because I was not paying attention in class when we went over this topic.

Tags

NGSS.MS-PS2-1

Every force has __________________ .

• direction

• strength

• push

• direction AND strength

Tags

NGSS.3-PS2-1

A constraint is _____________________ .

• a goal

• a test

• a limit to the design

• a solution

Tags

NGSS.3-5-ETS1-1

When forces are balanced, the net force is __________ .

• zero

• one

Tags

NGSS.3-PS2-1

When ____________ forces act on an object, they make the object move.

• unbalanced

• balanced

Tags

NGSS.3-PS2-1

The poles of a magnet are _________________ .

• south and west

• north and south

• east and west

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4

Opposite poles of magnets ________ each other.

• repel

• attract

• push

Tags

NGSS.3-PS2-3