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Science Tri 3


Wave A disturbance that moves through matter and space.
Transverse Wave Causes particles in matter to move back and forth at right angles to the direction in which the wave travels.
Compressional Wave Causes particles in matter to move back and forth along the same direction in which the wave travels.
WaveLength The distance between one point on a wave and the nearest point moving with the same speed and direction.
Frequency The number of wavelengths that pass by a point each second.
Law of Reflection The angle that the incoming wave makes with the normal equals the angle that the outgoing wave makes with normal.
Refraction The change in direction of a wave when it changes speed as it travels from one material to another.
Diffraction The bending of wave around an object.
Nuclear Reactions A change in the identity or characteristics of an atomic nucleus that results when it is bombarded with an energetic particle, as in fission, fusion, or radioactive decay.
Light Energy Radiant energy is the energy of electromagnetic waves.
Sun`s Radiation A solar radiation sensor measures solar energy from the sun.
Energy Transfer Energy transfer is the transfer of energy from one object or material to another.
Vibration An instance of vibrating.
Water Wave Water waves are surface waves, a mixture of longitudinal and transverse waves.
Waves A long body of water curling into an arched form and breaking on the shore.
Energy The strength and vitality required for sustained physical or mental activity.
Seimic Wave An elastic wave in the earth produced by an earthquake or other means.
Matter/ Medium Physical substance in general.
Solid Wave A wave that goes through solids.
Pitch The quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone.
Atmosphere The envelope of gases surrounding the earth or another planet.
Troposphere The lowest region of the atmosphere.
Stratosphere The layer of the earth's atmosphere above the troposphere.
Mesosphere The region of the earth's atmosphere above the stratosphere and below the thermosphere.
Ionosphere The layer of the earth's atmosphere that lies above the mesosphere.
Thermosphere The region of the atmosphere above the mesosphere.
Exosphere The outermost region of a planet's atmosphere.
Air Mass Large body of air with properties that resemble the part of earths surface over which it develops.
Front Boundary between 2 air masses of different density, moisture, or temperature.
Tornado Violently rotating column of air in contact with ground.
Hurricane Large, swirling, low pressure system that forms over the warm Atlantic ocean.
Blizzard A severe snowstorm with high winds and low visibility.
Cold Front The boundary of an advancing mass of cold air, in particular the trailing edge of the warm sector of a low-pressure system.
Warm Front The boundary of an advancing mass of warm air, in particular the leading edge of the warm sector of a low-pressure system.
Occluded Front A composite front produced by occlusion.
Stationary Front A boundary between two different air masses, neither of which is strong enough to replace the other.
Created by: Dream500