what is kinetic energy?
the energy an object has because of its motion
what is potential energy?
energy that has the potential to become another form of energy
what is the law of conservation of energy?
energy cannot be created nor destroyed
what is electrical energy?
the energy generated by the movement of electrons from one point to another
In a power plant chemical potential energy stored in coal is converted into_____.
electrical energy
How do you calculate kinetic energy?
KE= 1/2mv^2
1/2 x mass x volume squared
how do you calculate potential energy?
PE=mgh
potential energy= mass x gravity(9.8) x height
what is elastic potential energy?
energy stored as a result of applying a force to deform an elastic object.
what is sound energy?
vibrations moving through something
what is nuclear energy
a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons
potential energy is converted to kinetic energy when _____ is released?
what does GPE stand for?
gravitational potential energy
what are surroundings?
everything in the universe except the substances undergoing a chemical or physical change
how is elastic potential energy stored
in a stretched spring or other elastic objects
What is light energy?
a kind of kinetic energy with the ability to make types of light visible to human eyes.
what equals the total energy of the universe?
energy of a system and the energy of the surroundings
what is energy?
The ability to do work
what happens when an explosive detonates?
chemical potential energy is converted into heat, light, motion, and sound
what is thermal energy
the total kinetic energy of the atoms that make up an object
what is mechanical energy?
the total of all potential and kinetic energy within an object or body
what does radiant energy come from?
sun rays
what is temperature?
a measure of the average kinetic energy of particles
true or false: energy can be converted from 1 form to another?
true
chemical potential energy is...
stored in the chemical bonds that hold atoms together in molecules
what is electrical energy?
kinetic energy of electrons