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6.8 Force, motion, and energy. The student knows force and motion are related to potential and kinetic energy. The student is expected to:
6.8A compare and contrast potential and kinetic energy;
6.8B identify and describe the changes in position, direction, and speed of an object when acted upon by unbalanced forces;
6.8C calculate average speed using distance and time measurements;
6.8D measure and graph changes in motion; and
6.8E investigate how inclined planes can be used to change the amount of force to move an object.
Roller Coaster Research and Info
Roller Coaster Research and Info
Vocabulary
Vocabulary
ENERGY - The ability of a system to do work. Energy is required for changes to happen within a system.
POTENTIAL ENERGY - Energy that is stored in a system or object.
KINETIC ENERGY - Energy of motion.
SYSTEM - A group of interacting or interdependent elements forming a complex whole, as in all the factors or variables in an environment, or all the variables that might affect a science experiment.
TOTAL ENERGY - All energy—potential and kinetic—within a specific system.
JOULE - A unit used to measure energy.
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