English National Curriculum - Science
Mission Objectives
Define wave characteristics
Identify and give examples of longitudinal and transverse waves
Describe the differences between transverse and longitudinal waves
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Words and meanings to learn
oscillation
a repetitive back-and-forth movement or vibration of particles about a central point; in waves, it refers to how particles move as the wave passes through a medium
longitudinal
a wave where the oscillations are parallel to the direction of energy transfer
transverse
a wave where the oscillations (vibrations) are perpendicular (at right angles) to the direction of energy transfer
medium
the substance or material through which a wave travels
rarefaction
the part of a longitudinal wave where the particles are spread out (the opposite of compression); it occurs between compressions as the wave travels through a medium
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