Abeka 9th Science Test 5 p1 L72
Authored by Karen Lam
Science
9th Grade
Used 2+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result when two notes interfere harmoniously?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What technique uses the reflection of sound to calculate distance?
Echo ranging
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following properties is directly proportional to wave speed?
Amplitude
Wavelength
Frequency
Intensity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of intensity on the way the human ear perceives sound?
Frequency
Pitch
Loudness
Wavelength
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reinforcement or cancellation that occurs when two or more sound waves meet?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the substance through which a wave transfers its energy?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What term refers to sound that has too low a frequency to be heard?
Infrasonic
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