Energy Flashcards
Name some energy names…
Electricity, magnetic, kinetic, heat (thermal energy), light, sound, elastic potential, nuclear, chemical, gravitational potential.
What’s kinetic energy?
Something that is moving
What is light energy?
Lightbulbs / a candle flame
What is electrical energy?
Anything that uses electricity
What is thermal energy
Hot water / hot radiator
What is nuclear energy
Nuclear bombs and power stations
What is chemical energy
Food/ batteries / fuel
What is Gravitational potential energy
A book on a high shelf / a parachutist
What is Elastic energy
Clockwork toy / a bungee cord
What is Sound energy
Talking / music / radio/ anything that make sound
Can energy be destroyed?
Energy cannot be created or destroyed just changed in form
What energy is wasted
Energy that is transferred to unwanted forms of energy is wasted
What amount of energy always stays the same?
The total amount of energy always stays the same
What’s wasted energy?
Energy that does not do use for work is called wasted energy
What type of waste energies are main?
Sound and heat energy