level 5 Science - Block 3
Terms
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- the part of a sound wave where molecules are spread apart
- refraction
- a boundary where cold air moves in under a mass of warm air
- cold front
- the ability of the atmosphere to let in sunlight but not to let heat escape
- greenhouse effect
- a very large swirling storm with very low pressure at the center
- hurricane
- a back and forth movement
- vibration
- a violent whirling wind that moves across the ground in a narrow path
- tornado
- the part of a sound wave where molecules are crowded together
- compression
- a front formed where a cold front moves in under a warm front
- occluded front
- the number of times an object vibrates per second
- frequency
- an unmoving front where a cold air mass and a warm air mass meet
- stationary front
- a vibration that spreads away from a vibrating sound
- sound wave
- the most common severe storm, formed in cummulonimbus clouds
- thunderstorm
- a unit for measuring frequency
- hertz
- a boundary between air masses with different temperatures
- front
- a unit for measuring loudness
- decibel
- a large region of the atmosphere where the air has similar properties throughout
- air mass
- anything that takes up space
- matter
- the average weather pattrn of a region
- climate
- how high or low a sound is
- pitch
- a balance between energy lost and energy gained
- radiative balance
- a great rise of the sea along a shore caused by low pressure
- storm surge
- a boundary where warm air moves in over a mass of cold air
- warm front