The flashcards below were created by user
katie140154
on FreezingBlue Flashcards.
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the remains of ancient organisms that changed into coal, oil, or natural gas, has a limited supply
fossil fuels
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a machine that converts mechanical energy/motion into electrical energy
electric generator
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a wheel that changes the force of a moving gas or liquid into energy that can do work
turbine
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oil that is pumped from the ground, also called crude oil
petroleum
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oil deposits that can be extracted profitably at current prices using current technologies
oil reserves
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the energy within the nucleus of an atom
nuclear energy
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atomic particles
neutrons
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a process when nuclei split, releaseing energy and neutrons that collide with more nuclei, causing a chain reaction
nuclear fission
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occurs when lightweight atomic nuclei combine to form a heavier nucleus and releases energy
nuclear fusion
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the ability to produce change or do work
energy
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name the two types of energy
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the motion of anything
kinetic energy
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stored enery and the energy of position of matter due to gravity
potential energy
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name the 9 main forms of energy
- chemical
- mechanical
- nuclear
- gravitational
- electrical
- radiant
- thermal
- motion
- sound
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energy in the bonds of atoms and molecules
chemical energy
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the energy of motion, can be stored
mechanical energy
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energy stored in the nucleus of an atom
nuclear energy
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energy of position or place (rock on a hill)
gravitational energy
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the movement of electrons
electrical energy
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electromagnetic energy that travels in transverse waves
radiant energy
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heat energy
thermal energy
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the movement of object and substances
motion/gravitational energy
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the movement og energy through substances
sound energy
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name the lowest form of energy
thermal
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what is thermal energy caused by?
friction of anytype of matter
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name the ultimate beginning form of all energy transformations
nuclear (fusion-sun/fission-earth's crust)
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the intermediate form of energy and why
- electricity
- you can't see it and you can't store it, but you can convert it
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what 3 things does the Law of Conservation of Energy say?
- energy is never created
- energy is never destroyed
- energy changes forms
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name four fossil fuels
- petroleum
- coal
- natural gas
- propane
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the most used energy source
petroleum
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the energy source used to generate the most electricity
the second energy source used to generate the most electricity
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resources that can be replaced forever
renewable resources
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resources that cannot be replenished
nonrenewable resources
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the US population
300,000,000
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average US ecological footprint
5.5
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2 fastest developing countries
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the measure of the amount of stuff in an object
mass
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a measure of an object's resistance to change
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anything that occupies space and has mass
matter
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what you can see, touch, or feel
matter
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the ability to move matter around
energy
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the energy of mass
kinetic
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stored/has the ability to produce motion
potential
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a region under study
system
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the type of system based on matter
closed
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the type of system based on energy
open
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nothing enters, nothing leaves
closed
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things enter and exit
open
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enter and exit at the same rate
steady system
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energy of waves, including light
radiant
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electromagnetic spectrum
radiant
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number of peaks that a point in a set amount of time
frequency
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the distance from one peak to the next wave's peak
wave length
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easily converted into other forms of energy
electrical energy
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the most difficult energy to release
nuclear
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the breaking down of larger nuclei to form smaller ones
fission
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combining small nuclei to form a bigger nucleus
fusion
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nuclear bomb & power plants
fission
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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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