How Toys Work

​ (a)   are used to lift or move things.

• Pulleys
• screw
• Screw
• Wedges
• Hammer

______ are used to build things and hold things together.

• Screws

• Pulleys

• Blades

• Ropes

A ​ (a)   is one of the most common ​ (b)   machines.

• lever
• simple
• box
• complicated
• object

A bicycle is not a simple machine. It is a ​ (a)   machine.

• compound
• complicated
• force
• learning

A wagon, doorknob, and pencil sharpener can be considered a​ (a)  

• wheel and axle.
• inclined plane
• wedge
• pulley

This image is an example of a _____.

a

pulley

wedge

screw

lever

A wheel and axle helps us by ________.

• holding things

• raises or lowers a load

• moving loads

• cutting or splitting

The pull or push that you feel when you hold a magnet is an invisible force called ​ (a)   .

• magnetism
• neutron
• refrigerator
• electroni
• electronic

The ​ (a)   machine is a machine that performs a very easy task in a complicated way.

• Rube Goldberg
• Adam Golding
• Benjamin Franklin
• Robert D. Goldberg

What is the correct name for this simple machine?

a

wheel and gear

wheel and tire

wheel and axle

wheel and motion