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Simple Machines

Across
A lever has a ____ that the rod or bar balances on
There are ____ types of simple machines
A _____ is two inclined planes back to back
A machine makes ____ easier
A ramp is another name for an _________
The shorter the ramp, the _____ effort it takes to move a load
The _____ the ramp, the less effort it takes to move a load
The _____ doesn't travel as far as the wheel does
A ____ is a wheel with teeth
A ____ is a rope wrapped around a wheel
There are ____ classes of levers
Down
A ____ machine, like a pair of scissors, is made up of more than one simple machines
A _____ is an inclined plane wrapped around a shaft
____is caused by two surfaces rubbing against each other
When you pull down, ____ helps make work easier
The axle makes a ______ turn
The sharp edge of a _____ used to cut things is a wedge
A Wheelbarrow has the fulcrum at one end, the load in the middle and the ____ at the other end.
THe first wheels were probably _____ used to roll loads
A wedge uses its shape to push things _____
A ______ is made up of a bar and a fulcrum
A fishing rod has the fulcrum at one end,, the effort in the middle and the ____ at the other end.