Why do we need to use simple machines ?
Because a simple machine can make work EASIER
Tell 3 things that use wheel and axle
car, trolley, bike....
_______________is a change in the position of an object.
Motion
Which animal is faster than the other?
Rabbit
What is called a big magnet? (like every magnet, it has north pole and south pole)
Our planet Earth
A pull or push is called a F________
Force
The two ends of a magnet are its _ _ _ _ _
Poles
________is a force that PULLS DOWN on everything on Earth.
Gravity
Different poles attr_ _ _ each other
ATTRACT
Do you use force every day?(Give one example)
Yes, I push/pull something...
Who discovered Gravity?
Isaac Newton
Some ways objects move are_____________ (5 ways)
up and down, zigzag, straight, round and round, back and forth
What is this simple machine?
Ramp
F__________is a force that SLOWS DOWN moving things.
Friction
A P___________is made with a rope that moves around a wheel
Pulley
Words to tell where things are_______________(7 words)
on, under, next, to, near, left, or right
Is he pulling?
No, He is pushing the ball in motion
Tell 4 kinds of simple machines you know
Lever, Ramp, Wheel and Axle, Pulley
___________is the place where something is.
Position
Same poles r_ _ _ _ each other
Repel
The unmoving point that a lever move against is called a Ful........
Fulcrum