Waves and Light Crossword Puzzle

QUESTIONS LIST:

• wave: something that transfers energy w _
• down: longitudinal waves vibrate up and d _
• forth: transverse waves vibrate back and f _
• focus: convex lens f _ rays to a point.
• spread: concave lens s _ rays out.
• bounce: reflection is when waves b _ off objects.
• mirror: a m _ is a perfect reflector.
• binoculars: a use of lens to see distant objects
• magnifying: a m _ lens helps you see objects up close.
• changes: light c _ direction when it enters a lens.
• shorter: a rounder convex lens has a s _ focal length.
• amplitude: the name for the height of the wave is the a _
• distance: the wavelength is the d _ of one complete wave cycle.
• top: the crest is the t _ of the wave
• bottom: the trough is the b _ of the wave.
• frequency: the number of waves per second is the f _
• sound: a wave that your ears can detect.
• light: the fastest wave that your eyes can detect.
• water: a wave that we find in nature - a w _ wave.
• energy: all waves carry e _
• incident: a scientific word for the ray of light entering a substance is the i _ ray.
• periscope: submarines use a p _ to see above the surface using mirrors to reflect light.
• glasses: something people wear containing lenses to help focus light into the eye properly.