Vocabulary
Magnet/Gravity/Electricity
Lever/Inclined Plane
Screw/Wedge
Wheel and Axle/Pulley
100
______ is a push or a pull.
What is force?
100
Name 2 things magnets are attracted to.
What are things made of iron or steel like paper clips, knobs, toy cars...?
100
If you push on one end of a lever, the load on the other end _____ ___.
What is goes up or is lifted?
100
A screw is an ______ ______ wrapped around a cylinder.
What is an inclined plane?
100
Wheels are connected by a rod or ______ that helps the wheels move.
What is an axle?
200
A ______ is something you want to lift or move.
What is a load?
200
Explain what would happen if the N end of a magnet was brought near the N end of another magnet?
What is they would push apart or repel?
200
A lever is a bar resting on a turning point called a ______.
What is a fulcrum?
200
Screw are used to hold things together as well as to ______ and ______ things.
What are lift and lower?
200
Name 2 things other than a car that would have a wheel and axle.
What are airplanes, skateboards, bicycles, four-wheelers...?
300
A ______ machine has few moving parts.
What is simple?
300
When you jump up, you do come back down. Explain why this happens.
What is gravity pulls you down?
300
You used a lever to lift your teacher, who is much heavier. Explain how this happened.
What is the teacher (load) had to be closer to the fulcrum?
300
Explain why a nail is not a screw.
What is the nail does not have ridges? The nail is a wedge.
300
Explain why it is easier to move a heavy box with a dolly.
What is the wheels help to move the heavy load? You do not have to use as much force.
400
When objects ______, they are drawn to each other.
What is attract?
400
Astronauts on the moon seem to bounce when they walk. Explain why this happens.
What is the moon has less gravity to pull them down?
400
Explain why a ramp is an inclined plane.
What is it is a slanted surface?
400
A wedge is a tool that has 2 inclined planes that form a ______ point.
What is sharp?
400
A pulley is a wheel with a rope around it. The wheel must have ______ so the rope does not slip off.
What is a groove?
500
______ is a force that occurs when objects rub together. It can cause heat.
What is friction?
500
If you rub a balloon on your head, your hair will stand up. Explain what has happened.
What is you have created static electricity?
500
Explain what happened to the toy car that went down a very steep inclined plane.
What is it flipped or crashed?
500
You carry around many wedges every day. Your ______ cut, rip, and tear food.
What are your teeth?
500
When you lifted a load with 3 grooved wheels, it was _______ than lifting the load with just one wheel.
What is easier? You did not have to use as much force or effort.
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