Simple Machines
Forces
Motion
Design
Vocabulary
100
A Screw
What is an inclined plane wrapped around a pole?
100
A forward or upward motion that propels an object with force.
What is thrust ?
100
Sand on ice has this effect on friction.
What is increases friction?
100
The design of race cars to make them faster.
What is aerodynamic?
100
What 2 components do you need for motion?
What is distance and speed?
200
Inclined Plane
What is a sloped surface connecting a lower level to a higher level?
200
a pulling force
What is gravity?
200
What is a lubricant that will decrease friction?
What is oil, grease, polish, wax, or something similar?
200
A lever found on a playground.
What is a see saw?
200
A flag pole is an example of this type of simple machine.
What is a pulley.
300
Wedge
What is a simple machine with two edges, at least one sharp; used to push apart?
300
A power that changes the motion of an object; moves it, stops it, or changes it shape, direction, or speed.
What is force?
300
The position of a line on a motion graph that shows that an object is at rest.
What is horizontal?
300
It is designed to make work easier for us.
What is a simple machine?
300
A knife is an example of this simple machine.
What is a wedge.
400
Lever
What is a simple machine with a stiff bar resting on a fulcrum, can pry something loose?
400
an invisible force that pushes or pulls
What is magnetism?
400
What type of force is needed to make something move?
What is an unbalanced force?
400
To increase motion you need to increase this.
What is force?
400
An object at rest tends to stay at rest, an object in motion tends to stay in motion. Name this law of motion.
What is What is inertia?
500
wheel and axle
What is a simple machine with a wheel and a rod through the middle, they turn together?
500
an opposing force
What is friction?
500
Grease on an engine's parts has this effect.
What is decrease friction?
500
The inclined plane that makes it easier to move things from one level to another.
What is a ramp or stairs?
500
What is kinetic energy?
What is the energy of motion?
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