-
the remains of ancient organisms that changed into coal, oil, or natural gas, has a limited supply
fossil fuels
-
a machine that converts mechanical energy/motion into electrical energy
electric generator
-
a wheel that changes the force of a moving gas or liquid into energy that can do work
turbine
-
oil that is pumped from the ground, also called crude oil
petroleum
-
-
oil deposits that can be extracted profitably at current prices using current technologies
oil reserves
-
the energy within the nucleus of an atom
nuclear energy
-
atomic particles
neutrons
-
a process when nuclei split, releaseing energy and neutrons that collide with more nuclei, causing a chain reaction
nuclear fission
-
occurs when lightweight atomic nuclei combine to form a heavier nucleus and releases energy
nuclear fusion
-
the ability to produce change or do work
energy
-
name the two types of energy
-
the motion of anything
kinetic energy
-
stored enery and the energy of position of matter due to gravity
potential energy
-
name the 9 main forms of energy
- chemical
- mechanical
- nuclear
- gravitational
- electrical
- radiant
- thermal
- motion
- sound
-
energy in the bonds of atoms and molecules
chemical energy
-
the energy of motion, can be stored
mechanical energy
-
energy stored in the nucleus of an atom
nuclear energy
-
energy of position or place (rock on a hill)
gravitational energy
-
the movement of electrons
electrical energy
-
electromagnetic energy that travels in transverse waves
radiant energy
-
heat energy
thermal energy
-
the movement of object and substances
motion/gravitational energy
-
the movement og energy through substances
sound energy
-
name the lowest form of energy
thermal
-
what is thermal energy caused by?
friction of anytype of matter
-
name the ultimate beginning form of all energy transformations
nuclear (fusion-sun/fission-earth's crust)
-
the intermediate form of energy and why
- electricity
- you can't see it and you can't store it, but you can convert it
-
what 3 things does the Law of Conservation of Energy say?
- energy is never created
- energy is never destroyed
- energy changes forms
-
name four fossil fuels
- petroleum
- coal
- natural gas
- propane
-
the most used energy source
petroleum
-
the energy source used to generate the most electricity
the second energy source used to generate the most electricity
-
resources that can be replaced forever
renewable resources
-
resources that cannot be replenished
nonrenewable resources
-
the US population
300,000,000
-
average US ecological footprint
5.5
-
2 fastest developing countries
-
the measure of the amount of stuff in an object
mass
-
a measure of an object's resistance to change
-
-
anything that occupies space and has mass
matter
-
what you can see, touch, or feel
matter
-
the ability to move matter around
energy
-
the energy of mass
kinetic
-
-
stored/has the ability to produce motion
potential
-
a region under study
system
-
the type of system based on matter
closed
-
the type of system based on energy
open
-
nothing enters, nothing leaves
closed
-
things enter and exit
open
-
enter and exit at the same rate
steady system
-
energy of waves, including light
radiant
-
electromagnetic spectrum
radiant
-
number of peaks that a point in a set amount of time
frequency
-
the distance from one peak to the next wave's peak
wave length
-
easily converted into other forms of energy
electrical energy
-
the most difficult energy to release
nuclear
-
the breaking down of larger nuclei to form smaller ones
fission
-
combining small nuclei to form a bigger nucleus
fusion
-
-
nuclear bomb & power plants
fission
-
moves through the magnetic field, spins and repels electrons (turbine), inside a magnetic field, moves in a circle to create energy
armature
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