Exploring Simple Machines

What is a simple machine?

• A complex tool with many parts

• A basic device that makes work easier

• A machine that requires electricity

• A tool that can only do one job

What is the purpose of a simple machine?

• To make work easier

• To require more energy

• To use more moving parts

• To make work harder

What does an inclined plane help us do?

• Lift heavy objects more easily

• Screw things together

• Cut through materials

• Measure distances

What can you use to travel up and down easily?

• An inclined plane

• A lever

• A screw

• A pulley

What is an example of a wheel and axle?

• A staircase

• A pottery wheel

• A pair of scissors

• A doorstop

What simple machine is used to split wood?

• Lever

• Wheel and axle

• Wedge

• Pulley

What makes a lever more effective?

• Using it to cut vegetables

• Using it as a doorstop

• Attaching it to a wall

• The position of the fulcrum

Which simple machine is used in scissors?

• Lever

• Inclined plane

• Wheel and axle

• Pulley

How does a pulley make work easier?

• By cutting through objects

• By lifting objects to a higher level

• By moving objects down a ramp

• By holding a door open

What simple machine is found in bicycles?

• Wheel and axle

• Pulley

• Wedge

• Screw