energy Flashcards
how many main types of energy are there
there are 9 main types of energy
what is energy
energy is the ability to do work
what is kinetic energy
the energy possessed by a moving object
what is gravitational potential energy
the energy that has been possessed by an object that has been lifted up
what is heat energy
energy possessded by an object that is hot
what is sound energy
the energy of sound waves emitted by vibrating objects
light energy
the energy of light waves emitted by luminous objects
electrical energy
the energy carried by changes in an electrical circuit
chemical energy
the energy stored in bonds between atoms and molecules
nuclear energy
the energy stored in forces between particles in atomic nuclei
what is an asteroid
asteroids are small, rocky objects that orbit the sun
what is the difference between renewable and non renewable energy resources
non renewable energy sources cannot be replaced and will eventually run out where as renewable can be replaced and wont run out
examples of non renewable sources
coal, oil, gas, uranium, nuclear fuel
examples of renewable energy
solar, wind and waves
what are the 3 main fossil fuels
coal, oil and natural gass
