P1.1 Changes in energy stores Flashcards
1
Q
Notes
A
Energy can be stored in a variety of different energy stores
2
Q
Notes
A
Energy is transferred by heating, by waves, by an electric current, or by a force when it moves an object
3
Q
Notes
A
When an object falls and gains speed, its store of gravitational potential energy decreases and its kinetic energy store increases
4
Q
Notes
A
Whem a falling object hits the ground without bouncing back, its kinetic energy store decreases
5
Q
What are the stages of the energy transfers
A
Chemical energy store in the battery - electroc current in the wires - energy transferred to the surroundings