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Vocab
Speed
Energy
Graphing
Acceleration
100
what is the state in which one object's distance from another is changing?
Motion
100
What is speed?
A measure of how quickly an object gets from one place to another
100
What is the energy of motion?
Kinetic energy
100
On a speed graph, what does a horizontal line represent?
No motion
100
What is acceleration?
An increase in speed, a decrease in speed, or a change in direction
200
What is the distance an object travels per unit of time?
Speed
200
What is the formula for speed?
Distance/time (/=divided by)
200
What is sound energy?
A form of energy that is carried as waves in vibrating matter
200
On an acceleration graph, what does a horizontal line represent?
Constant speed
200
What is an example of an increase in speed?
pitching a baseball
300
What is a push or pull exerted on an object?
Force
300
What is the formula for average speed?
Total distance/total time (/=divided by)
300
What is energy that is stored in matter and that can be released by a chemical reaction?
Chemical energy
300
What is slope?
the steepness of a line on a graph
300
What is an example of a decrease in speed?
Catching a baseball
400
What is a force exerted on an object that causes it to move?
Work
400
What are the variables used in a speed (motion) graph?
Distance and time
400
If an object gives off or reflects light, what kind of energy does it have?
Light energy
400
On a speed graph, what variable is on the y axis?
Distance
400
What is an example of a change in direction?
Hitting a baseball being pitched
500
An object's speed does not increase or decrease, it stays the same?
Constant Speed
500
Josie traveled 10 meters in 5 minutes. What is her SPEED?
2 meters per minute
500
What is the formula for mechanical energy?
Kinetic energy+potential energy=mechanical energy
500
How do you calculate slope?
Rise over run or rise divided by run (y axis divided by x axis)
500
What are the two variables on an acceleration graph?
Speed and time