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Introduction to Waves
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Introduction to Waves - Middle school - Physical Science

Mrs. Buresh
• tells the amount of energy carried by a wave; how "loud" it is
amplitude

• 15 points
• part in a longitudinal wave where the particles of the medium are close together
compression

• 10 points
• highest point of a transverse wave
crest

• 5 points
• The bending of a wave as it moves around an obstacle or passes through a narrow opening
diffraction

• 20 points
• waves that do not need a medium to travel through (ex: visible light waves)
electromagnetic waves

• 15 points
• The ability to do work or cause change
energy

• 10 points
• The ability to do work or cause change
energy

• 15 points
• the number of complete waves that pass a given point in a certain amount of time
frequency

• 15 points
• Unit of measurement for frequency Hint: abbreviation Hz
Hertz

• 15 points
• the interaction between waves that meet
interference

• 10 points
• waves that move parallel to the direction in which the waves travel
Longitudinal waves

• 15 points
• waves that require or need to travel through a medium (ex: sound waves)
Mechanical waves

• 15 points
• the material through which a mechanical wave travels (solid, liquid, gas)
medium

• 10 points
• part in a longitudinal wave where the particles of the medium are far apart
rarefaction

• 25 points
• the bouncing back of a wave when it hits a surface through which it cannot pass.
reflection

• 10 points
• The bending of a wave as it passes at an angle from one medium to another
refraction

• 20 points
• The distance an object travels per unit of time; how "fast" it moves
speed

• 10 points
• waves that move at right angles to the direction in which the waves travel
transverse waves

• 15 points
• lowest point of a transverse wave
trough

• 10 points
• A repeated back-and-forth or up-and-down motion
vibration

• 20 points
• a disturbance that transfers energy from place to place
waves

• 15 points