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KE/GE/ELAE/Variables

Review for Assessment

QuestionAnswer
What happens to an object's gravitational energy as it falls? It decreases
What does NOT represent energy being transformed into other energies? A book sitting on a desk
Which is a factor that affects the amount of elastic energy in an object? Rigidity
What type of energy does the bow have when an archer is stretching the bow and arrow back? Elastic
At which point does a roller coaster have maximum kinetic energy? When the roller coaster is at its maximum speed (lowest elevation).
At which point does a roller coaster have maximum gravitational energy? When the roller coaster is at its maximum elevation.
Name two types of potential energy. Gravitational and Elastic
Which would knock over more bowling pins; a volleyball or a soccer ball? A soccerball
A stretched rubber band will have maximum ______________________ energy. Potential elastic energy
A rubber band at rest will have the least amount of ___________________ energy. Potential elastic energy
What is an independent variable? The part of the experiment that is changed by the scientist. (only one per experiment)
What is a dependent variable? Data/Outcome; Is dependent on the independent variable.
What is a control variable? A part of the experiment that remains the same. You can have more than one in the experiment.
Energy of an object in motion is known as... Kinetic energy
Potential Energy is known as... Stored energy
Gravitational potential energy depends on.... An object's mass and height above the ground
Rubber bands, bows and springs are examples that have... Potential elastic energy
What is an example of an object with potential elastic energy? Compressing a spring
When will a rubber band have maximum potential elastic energy? When it is stretched all the way.
Created by: mrslafond
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