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Original Project Energy: Forms, Transformation, Transfer, and Conservation Energy can be transformed (converted) within a system.
NGSS Statement from PS3.B MS :
Item Description
NG003003
Gravitational potential energy is transformed into motion energy and thermal energy when coasting down a hill on a bicycle.
NG099001
When skateboarding down a hill, gravitational potential energy is transformed into motion energy and thermal energy.
NG005003
As a piece of clay falls, its gravitational potential energy is converted to motion energy, and as it hits the floor its motion energy is converted into thermal energy.
NG100001
When a ball is falling down, the gravitational potential energy of the ball is transformed into motion energy but the elastic energy of the ball is not.
NG079002
The motion energy of a book sliding across a table is transformed into thermal energy, not into a force.
NG018003
The thermal energy of a ball and a track increases the entire time the ball is rolling along the track because both the gravitational potential energy and the motion energy of the ball are converted into thermal energy.
NG065004
A pendulum stops swinging because the motion energy of the ball is transferred somewhere else, like the air, as the ball swings from side to side.
NG088003
When a student shoots a rubber band across the room, the elastic energy of the rubber band is transformed into motion energy, and the total amount of energy stays the same. (This item uses bar graphs to depict the amount of each kind of energy.)