Simple Machines - Inspire Science

Is picking up a book work?

• yes

• no

What is work?

• A machine to pry objects open.

• A machine with a flat slanted surface.

• When a force moves an object or changes an object's motion.

• A load

Tags

NGSS.MS-PS2-2

Which forces are used in a simple machine?

• grabbing and hitting

• pushing and pulling

Tags

NGSS.MS-PS2-2

A load is another name for a heavy object that a simple machine helps you lift.

• True

• False

Tags

NGSS.MS-PS3-2

What are the main parts of a lever?

• wheel and screw

• rope and wheel

• fulcrum and bar

• wedge and ramp

Why do we use a lever?

• It makes it easier to freeze items.

• It makes it easier to pry objects.

• It make it easier to throw objects.

Which is an example of a pulley?

• crane

• screw

• jar

• ferris wheel

What's an example of an inclined plane?

• pulley

• ax

• ramp

• knife

What is a compound machine?

• a carrot

• a load

• one simple machine

• two or more simple machines

Which is an example of a wheel and axle?

• merry-go-round

• ramp

• jar

• knife