2797498
Description
Quiz by Genjo Pringle, updated more than 1 year ago
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Created by Genjo Pringle
almost 9 years ago
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Question 1
Question
Which material does sound travel fastest in?
Answer
-
Wood
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Air
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Metal
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Soft tissue
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Vacuum
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Cork
Question 2
Question
Why does sound move faster in metal than in air?
Answer
-
The particles are closer together in a solid than in a gas
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The particles are further apart in a solid than in a gas
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It doesn't travel faster in metal than in air
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The particles have more energy and therefore can vibrate faster
Question 3
Question
What range of the frequency of aa sound can humans hear?
Answer
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20 - 2,000 Hz
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20 - 20,000 Hz
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20- 2,000,000 Hz
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20 - 200,000 Hz
Question 4
Question
What is the name of the purple part of the ear?
Answer
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Ear canal
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Ear drum
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Outer ear
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Cochlea
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Ossicles
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Eustachian Tube
Question 5
Question
Is - vocal chords, air, ear drum, cochlea, cochlea hairs, ossicles - the correct order in which you hear a sound?
Answer
- True
- False
Question 6
Question
What are the names of the three ossicles
Answer
-
Hammer
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Anvil
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Cochlea
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Stirrup
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Cochlea hairs
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Middle ear
Question 7
Answer
-
Rarefraction
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Compression
Question 8
Question
Which of the following describes Frequency?
Answer
-
The height of the wave from the black line
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The number of waves travelling past a point (Hertz)
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The distance between two identical points on the curve
Question 9
Question
Which of the following are good conductors of heat?
Answer
-
Bubble wrap
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Tin foil
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Steel
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Iron
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Wood
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Felt
Question 10
Question
An insulator is a material that doesn't conduct heat well.
Answer
- True
- False
Question 11
Answer
-
Conduction
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Convection
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Radiation
Question 12
Question
Which of the following are true about Infrared rays?
Answer
-
They can travel through a vacuum
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They can travel through opaque materials
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They can be reflected
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They travel at 300,000,000 m/s
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They travel at 30,000,000 m/s
Question 13
Question
What would you use to insulate a backer of water?
Answer
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Conductors
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Insulators
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Both
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