Download Physical Science - WBR Teacher Moodle

Physical Science
“Energy”
Amplitude
The maximum distance a wave vibrates
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up or down from equilibrium.
Angle of Incidence
The angle an outgoing wave of light
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makes with the normal.
Angle of Reflection
The angle an outgoing wave of light
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makes with the normal.
Chemical Energy
The energy bound up in bonds
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between atoms in molecules.
Compression
The moment when the particles in a
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wave push together.
Compressional Wave
A wave in which the vibrations move
parallel
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to the
to reveal
direction
theindefinition!
which the
wave moves.
Conduction
A form of heat transfer that involves
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direct contact.
Conservation of Energy
A scientific law that states that energy
is neither
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created
to reveal
nor destroyed
the definition!
in any
system but simply changes form.
Convection
The movement of fluid masses from areas of
highhere
density
low density
due to
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to by
reveal
the definition!
temperature or salinity differences.
Crest
ClickThe
here
high
to reveal
point of
thea definition!
wave.
Current Electricity
Electrons flowing from a source of
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electrons
here to
through
reveal athe
conducting
definition!
medium such as metal wire.
Electrical Energy
The movement of electrons from one
place
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another,
to reveal
either
the
indefinition!
the form of
static electricity or current electricity.
Electromagnetic Spectrum
The range of electromagnetic radiation,
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from radio waves to gamma rays.
Electromagnetic Wave
A wave that does not need a medium
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in which to travel.
Energy
Anything that has the ability to cause a change in
the
universe,
as a change
the position,
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heresuch
to reveal
theindefinition!
speed, direction, or temperature of an object.
Equilibrium Point
The fixed position about which a wave
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oscillates in a repeating pattern.
Frequency
The number of waves passing a point
in Click
a specific
hereperiod
to reveal
of time,
the definition!
usually per
second.
Heat Energy
The average energy of motion of
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atoms and molecules.
Joule
The unit of measuring work;
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1J=1N x 1m
Kinetic Energy
The energy of moving atoms, particles,
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or objects.
Mechanical Energy
The
Clickenergy
here to
ofreveal
large moving
the definition!
object.
Normal
An imaginary line perpendicular to the
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surface of a reflecting surface.
Nuclear Energy
The energy released when the nuclei of
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atoms are split or fused.
Parallel Circuit
An electrical circuit with at least two paths
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here
to
reveal
the
definition!
through which the current can flow.
Potential Energy
Stored energy that can be used to do
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work.
Power
A change in energy or the performance
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of work over time.
Radiation
The movement of heat energy through
electromagnetic
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radiation
the definition!
(infrared,
visible light, ultraviolet, and so on)
Rarefaction
The moment when the particles of a
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wave pull apart.
Resistor
An object that turns current electricity
into
Clickanother
here toform
reveal
of the
energy,
definition!
such as
heat, light, or sound.
Series Circuit
An electrical circuit with only a single
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path for the current.
Simple Machine
A device such as the lever, inclined plane, or
pulley,
requires
only
application
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here to
reveal
thethe
definition!
of a single force to work.
Static Electricity
A positive or negative electrical charge on
an
object,
of causing
attraction,
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herecapable
to reveal
the definition!
repulsion, or an electrical spark.
Transverse Wave
A wave that oscillates perpendicular to
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the direction of travel.
Trough
ClickThe
herelow
to point
revealof
the
a wave.
definition!
Watt
The unit of power in the SI system,
Click
equalhere
to one
to reveal
joule ofthe
work
definition!
in one
second.
Wave Cycle
Click
A complete
here tooscillation
reveal theof
definition!
a wave.
Wavelength
The smallest distance between identical
parts
a continuous
wave;
for example,
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to reveal
the definition!
the distance between consecutive crests.
Work
The distance an object moves
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multiplied by the force that moves it.