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Physical Science Chapter 12
Flash cards for Chapter 12 Science Test in Mrs. Jackson's Freshman Physical Science Class
21
Science
9th Grade
03/20/2011

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Cards

Term
Energy
Definition
ability to do work
Term
Potential Energy
Definition
energy of position; stored energy
Term
Kinetic Energy
Definition
energy of motion
Term
Joule(J)
Definition
the SI unit of energy; equal to 1 Newtonmeter of work
Term
Law of Conservation of Energy
Definition
energy can be changed from one form to another, but can neither be created nor destroyed
Term
Radiant Energy
Definition
energy from light
Term
Mechanical Energy
Definition
energy possessed by objects that are in motion or have the potential to move
Term
Sound Energy
Definition
travels in waves, has to have a median, and can only travel through matter
Term
Thermal Energy
Definition
energy of the particles in an object related to the motion of the molecules of ions in matter
Term
Chemical Energy
Definition
energy that is stored in the position of electrons in an atom and occurs during a chemical reaction
Term
Photosynthesis
Definition
process that plants use to convert light energy into chemical energy
Term
Electrical Energy
Definition
energy that is associated with the flow of charged particles through a conductor
Term
Magnetic Energy
Definition
energy that accomplishes work by producing attractive and repulsive forces that cause certain objects to move
Term
Nuclear energy
Definition
energy released by the splitting of a nucleus or the fusing of several small nuclei
Term
Momentum
Definition
mass multiplied by velocity; a quantity of motion
Term
Conservation of Momentum
Definition
momentum can be transferred from one object to another without a change in total momentum of the entire "system"
Term
Solar Sailing
Definition
using the force of light waves to propel objects through space
Term
What is potential energy measured in?
Definition
Joules
Term
What is Kinetic energy measured in?
Definition
Joules
Term
What are the units for Momentum?
Definition
kg times meters divided by seconds
Term
List 5 of 8 types of energy
Definition
Radiant, Mechanical, Sound, Thermal, Chemical, Electrical, Magnetic, and Nuclear
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