Scientific Thinking
Models
Motion
Forces
More Forces
100
A representation
What is Model
100
Standard of measure
What is Significant figures
100
Motion of an object under the force of gravity
What is Free fall
100
An action exerted on an object which changes its motion – has magnitude and direction
What is Force
100
Force on an object perpendicular to a surface
What is Normal force
200
Set of interacting components
What is System
200
Location of observer
What is Frame of reference
200
Magnitude only – no direction
What is Scalar
200
Tendency of an object to resist change in speed or direction
What is Inertia
200
Force that resists sliding
What is Static friction
300
Explanation that can be tested
What is Hypothesis
300
Change in position of an object
What is Displacement
300
Magnitude and direction
What is Vector
300
The effects of several forces acting on a body
What is Net force
300
Force that opposes movement
What is Kinetic friction
400
How close to accepted value
What is Accuracy
400
Displacement divided by time
What is Average velocity
400
Sum of two or more vectors
What is Resultant
400
Net force equals zero
What is Equilibrium
400
Ratio of friction between 2 objects in contact
What is Coefficient of friction
500
Degree of exactness of a measure
What is Precision
500
Change in velocity over time
What is Acceleration
500
The curved path that an object follows when thrown or projected
What is Projectile motion
500
Gravitational force exerted on a body
What is Weight
500
Force times distance
What is Work
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