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- 1. Multiple Choice
Sound is produced by something...
echolocation
vibrates
vocal chords
- 2. Multiple Choice
The human perception of how much energy a sound wave carries
frequency
loudness
distance
- 3. Multiple Choice
Some animals use this to navigate and hunt
frequency
ecolocation
vibration
- 4. Multiple Choice
Sound needs a ____ to travel through
frequency
medium
echolocation
small
- 5. Multiple Choice
The ___ energy a sound wave has the ____ the sound
more, softer
less, louder
less, softer
- 6. Multiple Choice
A vibrating object causes this to move back and forth
air molecules
gases
solids
- 7. Multiple Choice
How does an echo occur?
sound travels faster than light
sound bounces off solids
sound is absorbed by solids
- 8. Multiple Choice
A sound wave produced by a lower-pitched instrument has a low ___
distance
echolocation
loudness
frequency
- 9. Multiple Choice
The diagram shows a cartoon of a sound wave produced while a student is speaking.
What happens to the sound wave when the student speaks louder?
The amplitude increases
the wavelength will double
the speed will increase
the amplitude will decrease
- 10. Multiple Choice
The diagram shows a research vessel using sonar to map the ocean floor.
Upon which basic behavior of sound waves does this technology depend?
absorption
compression
reflection
refraction
- 11. Multiple Choice
Echolocation allows an animal to ...
Climb trees faster
Fly upside down
See an "image" of a nearby object
Find a friend
- 12. Multiple Choice
Dolphins use echolocation to replace what sense?
Sight
Hearing
Taste
Smell
- 13. Multiple Choice
In echolocation, the animal uses echoes of sounds it produces to collect information about its surroundings.
True
False
- 14. Multiple Choice
Most humans can hear ultrasound.
True
False
- 15. Multiple Choice
Which of these animals use(s) echolocation? Choose all that apply.
bats
dolphins
elephants
cats
owls
- 16. Multiple ChoiceWhat is ultrasound mostly used forShippingMedicalMilitaryFirefighter
- 17. Multiple ChoiceSound waves areSurface wavesLongitudinal wavestransverse wavesall could be possible
- 18. Multiple ChoiceWhat are two ways that an ultrasound is used?transverse waves and longitudinal wavessonar and ultrasound imaginghertz and metersmusic instruments and amplify the sound
- 19. Multiple ChoiceYou cannot hear ultrasound because it is:Too quietToo loudFrequency is too highFrequency is too low
- 20. Multiple ChoiceSound travels fastest through...gasliquidsolids/metalsspace
- Answer choicesTagsAnswer choicesTags