Show:
Miscellaneous Force and Motion
Inclined Planes and Wedges
Gears and Wheels
Levers
Screws
100
True or false: In order for work to happen, something has to move
TRUE!!
100
What is two examples of an inclined plane?
Slide, ladder, ramp etc.
100
Give three examples where you see a wheel and axle in real life?
Rolling pin, cars wheels, bike and rollarblade wheels, Farris wheel
100
True or false? In a first class lever, the fulcrum is in the middle?
True
100
What are the ridges around screw called?
Threads
200
True or false? Friction is created when two objects rub against each other
TRUE!!
200
True or false? An inclined plane has a fulcrum
FALSE!!
200
A wheel turns around a bar that helps support it. What is this bar called?
An axle
200
A see saw is an example of a second class leverl?
FALSE!!
200
What two parts make up a screw? A ------ wrapped around a ---------
An inclined plane wrapped around a cylinder.
300
What is the tradeoff of all simple machines?
Less force and more distance.
300
Name an 2 examples of a wedge?
Knife, Axe, teeth, Doorstop,
300
What makes a gear different then a wheel. What does a gear have that a wheel does not?
Teeth
300
In a lever, the thing we are trying to lift is called the ....
Load
300
True or false? A screw spereates two objects
False it brings them together tightly
400
What is a push or a pull called?
A force
400
True or false? A wedge can be used to split things AND lift heavy things?
TRUE!
400
True or false A big gear with more teeth turns faster then a small gear with less teeth.
FALSE
400
In a lever the force that you put in is called the....
Effort
400
What tool do we use to drive a screw into wood?
A screw driver
500
What is another word for movement?
Motion
500
A wedge is shaped like what other simple machine?
Inclined plane
500
Name 2 examples of where you see gears in real life?
Egg beater, clock, car, locks,
500
Name two examples of levers
See saw, wheel barrow, light switch,
500
Name three examples of a screw
Screws on your desk, bed, etc. A winding staircase, a winding water slide, Different types of jars and bottles.