An Introduction
A lookat 6 simple machines to help make
work easier not harder.
• Wheel and Axle
• Lever
• Inclined Plane
• Pulley
• Screw
• Wedge
Let’s Begin!
3.
Wheel and Axle
Thewheel and axle work together to help
things move from one place to another
more easily!
Wheel and Axle
4.
Wheel and AxleBicycle
A bicycle is an example of a simple machine
that uses a wheel and axle to help make
moving around more easy!
5.
Lever
A lever helpsus lift heavy things with less
effort. It's a long board that moves up and
down on a support. When you push down
on one end, the other end goes up.
Lever
6.
Lever Seesaw
A seesawis an example of a simple
machine that uses a lever to help make
lifting people or things easier!
7.
Inclined Plane
An inclinedplane makes it easier to move
things up or down. Imagine trying to carry
a heavy box straight up, but if you slide it
up a ramp, it's much easier!
Inclined Plane
8.
Inclined Plane
A slideis an example of an inclined plane. It
makes coming down so much easier, not to
mention fun!
Slide
9.
Pulley
A pulley islike a special kind of wheel with a
groove and a rope or a chain. You can use it
to lift heavy things by pulling the rope
down.
Pulley
10.
Pulley
An elevator isa simple machine that uses a
pulley system to help make moving straight
up and down easier!
Elevator
11.
Screw
A screw isa twisted inclined plane. It helps
to hold things together, like when you use a
screw to attach two pieces of wood.
Screw
12.
Screw
A light bulbis an example of a simple
machine that uses a screw to keep the parts
together.
Light Bulb
13.
Wedge
A wedge islike a sharp tool with a slanted
edge. They have wedges that help cut
through things by separating them apart.
Wedge
14.
Wedge Axe
An axeis an example of a simple machine
that uses a wedge to help make cutting an
object easier.
15.
Review - MatchingWedge
Lever
Pulley
Screw
Inclined Plane
Wheel and Axle
16.
Review - Matching(Answers)
Wedge
Lever Pulley
Screw Inclined Plane
Wheel and Axle
Great Job!