Forces and Interactions: Grade 3

A force that slows down objects; the action of one surface or object rubbing against another is called...

• friction

• magnet

• motion

• gravity

A push or a pull is a....

• force

• hypothesis

• constraint

• door handle

Tags

NGSS.3-PS2-1

The poles at the end of a magnet are called...

• North and South

• Right and Left

• Strong and Weak

• Santa's Home and Antarctica

Tags

NGSS.MS-PS2-5

Click ALL of the items that are magnetic:

• paper clip

• iron nail

• toothpick

• glass

Tags

NGSS.5-PS1-3

Susy has two magnets. If she tries to stick the two "North Pole" ends together, what will happen?

• The magnets will repel.

• The magnets will attract.

• The magnets will catch on fire.

• The magnets will become non-magnetic.

Tags

NGSS.MS-PS2-5

A weight hung from a fixed point so that it may swing freely is called a...

• pendulum

• magnet

• swing

• force of motion

Tags

NGSS.MS-PS2-4

When two forces acting on an object are equal in strength, but act in opposite directions and the object does not move, this is called...

• balanced force

• unbalanced force

• gravity

• magnetism

When two forces acting on an object are NOT equal in strength and the object moves, this is called...

• unbalanced force

• balanced force

• friction

• gravity

Tags

NGSS.MS-PS2-2

Choose ALL of the examples of friction:

• braking to stop a moving vehicle

• using sandpaper to smooth wood

• walking on the sidewalk

• a ball slowing down after you've thrown it

• an astronaut floating in space

The build up of an

electrical charge on an object is called...

• static electricity

• gravity

• friction

• magnetism

Tags

NGSS.MS-PS2-3