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- 1. Drop Down
A glass (a) breaks light into bands of color
prismconvexvibrates - 2. Drop Down
a (a) lens is thick in the middle
convexprismvibrates - 3. Drop Down
sound is produced when matter (a)
vibratesprismconvex - 4. Multiple Choice
sound that bounces back from an object is an
echo
cycle
concave
- 5. Multiple Choice
The complete movement of a vibration is a
echo
cycle
concave
- 6. Multiple Choice
The reflecting surface of a ___________ mirror curves inward
echo
cycle
concave
- 7. Drop Down
The high sound of a flute is called a high (a)
pitchmirrorintensity - 8. Drop Down
A (a) reflects light rays
mirrorpitchintensity - 9. Drop Down
The strength of a sound is its (a)
intensitypitchmirror - 10. Drop Down
(a) measures distances underwater
sonarrefractiondecibels - 11. Multiple Choice
the bending of a light wave is called a
sonar
refraction
decibels
- 12. Multiple Choice
a sound's intensity is measured in
sonar
refraction
decibels
- 13. Drop Down
(a) lenses are used for a person who is nearsighted
convexmagnifyingconcave - 14. Multiple Choice
sound can travel through
empty space
matter
optics
- 15. Drop Down
frequency measures (a) of a sound wave
vibrations per secondintensityvolume - 16. Drop Down
a concave lens (a) light waves
refractsreflectsreverses - 17. Multiple Choice
sound travels fastest through
gases
liquids
solids
- 18. Multiple Choice
particles of light are called
protons
photons
electrons
- Answer choicesTagsAnswer choicesTags