Work

Front 1

work

Back 1

work is when you are pulling or pushing something up.

Hint 1

example: someone is lifting a box.

Front 2

lever

Back 2

a lever is when something like a piece of wood is helping pull something up using that and a fulcrum.

Hint 2

example: someone needs a rock out of the way so they use a tree branch and a smaller rock.

Front 3

fulcrum

Back 3

a fulcrum is when it is helping the lever. it is when the lever can rest and can be able to move in order to pull something up.

Hint 3

example: two people want to build a seesaw so they grab a tree branch but that's not enough they need a small rock to hold it in place.

Front 4

wheel and axle

Back 4

a wheel and axle is a simple machine that involves a rope and a wheel. a person pulls the wheel with not much effort to pull the load up with the rope.

Hint 4

example: one day I go to the beach and get in a boat on a windy day. I need to pull the sail up so I crank up the wheel and the sail goes up.

Front 5

pulley

Back 5

a pulley is when you pull something up. you use your effort to lift the load with a cord or something you can pull on.

Hint 5

example: you may have seen a oil rig. if you have they are pulling oil out of the ground with a big machine.

Front 6

inclined plane

Back 6

a inclined plane is when there is a slope and something is trying to go over it. if something is on it then you can push the load up with less effort.

Hint 6

example: I have a box full of heavy things so when I get home to get it instead of using the steps I use a ramp.

Front 7

wedge

Back 7

a wedge is using the effort to getting a load opened so that people don't half to open them.

Hint 7

example: I have a door in my house that I cant open so I use a small thing of wood to open it.

Front 8

screw

Back 8

screws are used to attach things together so that they will be able to stick together.

Hint 8

example: sometimes you might see a construction sight. they might be building houses. they use screws to keep the house together.