Set 1: Understanding the Basics of Simple Machines

What is the primary function of simple machines?

• To make music

• To help us move things more easily

• To generate electricity

• To decorate homes

How many main types of simple machines are there?

• Three

• Four

• Six

• Eight

Which is NOT a type of simple machine?

• Lever

• Battery

• Pulley

• Screw

What is the function of a lever?

• To reduce friction

• To rotate around a point

• To lift or move heavy objects more easily

• To split objects

What is the fulcrum in the context of a lever?

• A type of screw

• The rigid bar of the lever

• The point around which the lever rotates

• The load being lifted

Which is a common example of a wheel and axle?

• Seesaw

• Car wheel

• Ramp

• Knife

What does an inclined plane help with?

• Cutting objects

• Moving objects up or down with less effort

• Lifting heavy objects directly

• Rotating objects

Where are pulley systems commonly found?

• In screwdrivers

• In flagpoles

• In levers

• In wedges

What is a screw in terms of simple machines?

• A pointed object for cutting

• An inclined plane wrapped around a cylinder

• A type of lever

• A wheel and axle combination

What is the main use of a wedge?

• To lift objects

• To move objects

• To split, cut, or hold objects in place

• To rotate objects