Name a complex machine that is made from 2 or more simple machines.
cars, bicycles, can openers, a wheelbarrow, scissors and a stapler
These wheels have teeth
What are gears?
These are the two types of Pulleys
What are Fixed and Movable?
It has ridges called threads to twist into objects.
a screw
A hockey stick is this type of Simple Machine
What is a lever?
A lever pivots on this
What is the fulcrum?
A push or pull on an object that causes it to move
What is Force/Effort?
What does adding more pulleys help do?
Reduce the amount of force you have to use.
It increases the distance you travel to spread the work out.
an inclined plane
This is an example of a 1st Class Lever
What is... Seesaw, a balance, nodding the head, scissors, plyers?
This type of Simple Machine is seen in a playground slide
What is an inclined plane?
These are the six types of Simple Machines
What are Wheels and Axles, Pullies, Inclined Plane, Wedge, Screws, Levers?
The simple machine to split wood, would be
What is a Wedge?
These 2 objects work together to make things spin or move
a wheel & axle
Which Simple Machine has a groved wheel with a rope or chain that goes around it?
What is a pulley?
This type of Simple Machine is found on the bottom of a lightbulb
What is the screw?
Another name for an Inclined Plane
What is a ramp?
What simple machine would you use to cut a piece of pie
a wedge
It has 2 slanted sides that form a point to cut.
a wedge
The rod that goes through the wheel is called...
What is an Axle?
What is a simple machine
something that makes work easier - with little or no moving parts
This is an example of a 3rd Class Lever
What is... Fishing rod, catapult, bending arm?
Raising a flag on a flagpole uses this Simple Machine
What is a pulley?
It helps us lift and lower objects easily.
a pulley
Name two Simple Machines that can be found on a bicycle
What are wheel and axles, screws, levers, gears, and a pulley?