3rd Science UB Ch2

A force is a

• push

• pull

• both a push & pull

• none of the above

Tags

NGSS.MS-PS2-1

A force that makes an object slow down or stop is

• work

• friction

• gravity

• magnetism

Earth's gravity pulls objects to its

• oceans

• center

• continents

• mountains

Without gravity everything on the Earth would be

• colorless

• worthless

• motionless

• weightless

Metal objects stick to a magnet's

• curve

• ends

• sides

Tags

NGSS.MS-PS2-5

The ends of a bar magnet are called

• poles

• gears

• pulleys

• forces

Tags

NGSS.MS-PS2-5

A simple machine is a tool that has few or no

• wood parts

• metal parts

• moving parts

• flat parts

A lever is a bar or board supported underneath at the

• fulcrum

• gear

• wheel

• pulley

A wheelchair ramp is an example of

• a pulley

• an inclined plane

• a wedge

• a lever

The teeth of a wheel inside a watch are examples of

• gears

• pulleys

• inclined plane

• wedge