science test

what is potential energy?

stored energy

what is gravitational potential energy?

stored due to height

what is elastic potential energy?

stored due to stretching

what is kinetic energy?

something already moving

what is chemical potential energy?

stored in bonds

define energy

to be able to do work

does energy change form?

yes

state the law of conservation of energy

energy cannot be created and cannot be destroyed

what is sound energy?

vibrations of particles in the air

what is thermal potential energy

when energy is transferred from a warmer object to a cooler object

what is electric potential energy?

when opposite charges are seperated

what is energy transformation?

to change shape or form

what does energy transfer mean?

energy that goes one area to another

what is conduction energy?

when heat is transferred by a substance flowing from a warmer area to a cooler area through direct contact

what is convection energy?

when heat is transferred by a substance flowing from a warmer area to a cooler area in liquids or gases

what is radiation energy?

heat from electromagnetic waves

what is a Sankey diagram?

it shows the input energy, useful energy and wasted energy

what is energy efficiency?

when there is more useful energy than wasted energy

what are joules?

a energy unit