E
The ___________ is believed to be energy left over from the original creation event, also known as the Big Bang.
Cosmic Microwave Background
Thermal energy is a term used to describe energy in a substance that has been ______.
heated
Light exhibits the properties of both _______ and ______.
waves, particles
I am the energy locked into the bonds of molecules.
What is a wavelength?
The distance between subsequent peaks or troughs.
An electron weighs this many times less than a proton.
2000
How is the electromagnetic spectrum organized?
by wavelength
When an object is released in a gravitational field, the gravitational potential energy is converted into ______ as the object falls.
kinetic energy
Energy exists in many different forms and can be ______ from one form to another.
transformed
______ depends on both an object's speed and its mass.
Kinetic energy
What speed do electromagnetic waves travel at?
3 x 108 m/s, or 300,000,000 m/s
Every atom of a given element is ______.
identical
Because light exhibits the properties of both waves and particles we say that light has a ________.
dual nature
When fuel is burned this type of energy is released.
chemical potential energy
The smallest little lump of energy is called this.
quanta (photons)
This nuclear process is controlled and used on earth to generate energy.
fission
What is the wavelength spectrum of visible light?
750nm- 380nm
The subatomic particle with a positive charge.
proton
Where is most of the visible matter in the universe?
in galaxies and the stars that make them up
fusion
All energy in the universe was placed there by ______.
God
______ is the energy in an object that is held in a gravitational field.
Gravitational potential energy
List the six major sections we have discussed of the electromagnetic spectrum.
1. Radio Waves
2. Infrared Light
3. Visible Light
4. Ultraviolet Light
5. X-rays
6. Gamma Rays
Most of an atom is made up of ______.
empty space.
The energy in a ______ between stars and planets is like the energy stored in a bent bow.
gravitational attraction
Kinetic energy is the energy associated with ______.
moving objects
Energy obeys the law of ______.
conservation of energy
Thermal energy in the ground used to generate electricity is call ______
geothermal energy.
List the four main places energy resides in the universe.
1. light from starts (electromagnetic radiation)
2. Cosmic Background Radiation
3. motion of the galaxies
4. in gravity
Atoms with a net charge are called this.
ions