The pulley helps you to ___a___ and ___b___ and ___c___ weight. (3 different words)
a.) Lift
b.) Shift
c.) Lower
100
Issac Newton is Famous because he invented the "Wheel & Axle.
False. No one knows who invented the wheel and axle
100
Why is the wheel & axle so important?
Without that invention, We would be walking everywhere and dragging everything
100
The Pulley?
To pull, push, or shift weight by putting the load on one end of a rope, then pulling the other end over a grooved wheel.
200
Teeth
Door Stop
Wedge
200
Simple machines don't change the amount of work done, they change the amount of _____a_____ you ___b___ into the ___c___.
a.) effort
b.) put
c.) work
200
Ancient Egyptians used the inclined plane to build their pyramids.
True. The ancient Egyptians had to use the inclined plane to load the huge bricks on to the wall of the pyramid, but they didn't call it an inclined plane.
200
What is the pulley's job?
A pulley makes work easier because it changes the direction of motion to work with gravity.
200
The wedge?
to chop things and split them apart, of cut objects and material.
300
Slide
Stairwell
Inclined Plane
300
Every simple machine has the _____a_____ and/ or the _____b_____ as part of that machine.
DAILY DOUBLE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
a.) inclined plane
b.) wedge
300
The hula- hoop is wheel & axle
True. Your body is the axle that the hula hoop (wheel) is spinning around.
300
What happens when you pull one side of the rope on a pulley?
The grooved wheel on top turns and the load will move up.
300
The lever?
To move something on the other end of the board up without using too much effort.
400
Teeter- totter
Pencil
Lever
400
A fan is made up of two different simple machines: the ____a____ and the _____b______.
a.) Inclined Plane
b.) Wheel & Axle
400
A wedge of cheese is the simple machine, the "wedge."
False. That may be the name of the shape of cheese, but it does not fit the point of the actual simple machine.
400
What is the name of the pivoting point underneath the lever?
The fulcrum
400
The screw?
To hold things together tightly and be easy to screw in and out.
500
Curtain/ Shade/ Blind Mechanism
Pulley
500
Machines that are made up of multiple simple machines are called ____________ machines.
Compound/ complex
(1 of these = 1/2 of points 2= full points)
500
The turning (pivoting) point on the lever is called the "Fulcratt."
False. The turning point is called the fulcrum.
500
What are simple machines?
Simple machines are simple tools used to make work easier.
500
The inclined plane?
To help things slide or move in a specific direction.