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Magnetism
Science Chapter 13 Lesson 5
10
Science
4th Grade
10/10/2015

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Term
energy
Definition
the ability to do work or to cause a change
Term
electricity
Definition
a form of energy carried through wires to power machines
Term
magnet
Definition
a piece of material (as of iron, steel, or alloy) that is able to attract iron
Term
battery
Definition
a device inside a machine that supplies electricity
Term
coil
Definition
wire wound around a core to create a magnetic field
Term
generator
Definition
a machine that produces electricity
Term
heat
Definition
to make warm or hot
Term
mechanical energy
Definition
sum of potential (energy of position) and kinetic (energy of motion) energy
Term
wind power
Definition
a wind turbine changes the energy of the blowing wind into electricity
Term
safety
Definition
state of not being in harm or danger
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