Here are pictures and what the pictures do. By: Aaron and Jenna







Simple machine
What does it help you do? How does it help?
Picture, resource, video, etc.
pulley
It makes things lighter and you can hold more
things.
external image pulleys.gifGoogle.com
wheel and axle
As you can see it has wheels on the bottom and the axel pulls it.
external image CH-3060-16P-new.gifGoogle.com
Inclind plane
It pulls heavy things that helps us when something is heavy and we need help carring it to the top floor those help us.
external image inclined_plane.jpggoogle.com

lever
levers can opperate many things. For example: it opens doors.
external image 0000_CRG_Roll-A-Click_Brake_Lever.jpggoogle.com
screw
the screw helps put things together.
external image screw.jpggoogle.com


Vocabulary
Definition
E xample
Force
a force is a push or pull
If you push or pull anything it repesence a force.
.
Work
what is done when a force moves soemthing
If you push or pull something and it moves than that is work if it doesn't move than it is not work.
Effort
the effort is a forse needed to move soemthing
People use effort to help move something.
Mechanical Advantage
This is a measure of how much effort you save by using a machine.
If I push a box up a 16 foot inclined plane to get onto a 4 ft shelf,
I need to divide 16/4=4. The mechanical advantage is 4. That means it is 4 times easier to lift the box using the incline plane.
Resistance
A force (such as gravity or fraction) that slows down or stops movement
if something is moveing and your pulling it the other way, your the ressistance.





external image pikachu_3.gif:This page is sponser by pikachu. / Jenna Mosley ,and Aaron Stottlemyer


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Vocabulary
Points earned
Teacher Comments
Definition
4/4
The definitions are very good.
Example
4/4
The examples make a lot of sense.
Glossary


Example of how it helps you
3/6
A pulley makes things feel lighter, but it doesn’t actually make them lighter. A wheel and axle makes it easier to push or pull things. Some levers can open doors. You don’t really explain how a lever helps. The explanation for the screw is a good one.


Picture or resource
/6
All the pictures are good examples.
Total points
16/20 B-