Simple Machines
Forces
Motion
Friction
Science Investigation
100
Lever
What is a simple machine that is used to pry things up.
100
Balanced Forces
What is forces that are equal.
100
Speed
What is the rate or how fast something is moving.
100
Rolling friction
What is rolling drag or rolling resistance.
100
Hypothesis
What is an educated guess.
200
Wedge or Inclined plane
Has a slope or angle.
200
Unbalanced forces
What is forces that are not equal.
200
kinetic energy
What is energy in motion.
200
Sliding friction
What is the friction between two bodies that are sliding against each other.
200
Observation
What is when scientists or engineers look at things and take notes.
300
Wheel/Axle
What is a simple machine that enables things to roll.
300
Net Force
What is the total amount of force.
300
Potential energy
What is energy that isn't in use, when an object is still.
300
Static friction
What is the friction that needs to be overcome to enable motion.
300
Data
What is information that is gathered during a science investigation.
400
Screw
What is a simple machine that has a spiral shape.
400
Applied force
What is force that is acting on an object, and can change its' motion.
400
Accleration
What is increase in rate or speed.
400
Analyze
What is to figure out what has been learned in the science investigation.
500
Pulley
What is a simple machine that enables you to lift extra weight.
500
Centripetal force
What is force that is motion in a curved path.
500
Velocity
What is the speed of something in a certain direction.
500
Conclusion
What is to summarize what has been learned in a science investigation.
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