GRADE 4
Education
2 plays
10 questions
Question 1
Multiple Choice
5 points
It is a form of energy produces by a vibrating body.
A.Light Energy
B.Heat Energy
C.Sound Energy
D.Mechanical Energy
Question 2
Multiple Choice
5 points
Scientists measure intensity of sound in units called ________.
A.Intensity
B.Pitch
C.Timbre
D.Decibels
Question 3
Multiple Choice
5 points
It is the distance from one compression to the next or the distance of one rarefaction to the next one.
A.Wavelength
B.Intensity
C.Electricity
D.Pitch
Question 4
True/False
5 points
Sounds differ because of frequencies and wavelengths.
A.True
B.False
Question 5
True/False
5 points
The three elements of sound are intensity, timbre, pitch.
A.True
B.False
Question 6
True/False
5 points
Sound waves travel much slowly than light waves,
A.True
B.False
Question 7
True/False
5 points
Sounds waves are examples of longitudinal waves.
A.True
B.False
Question 8
True/False
5 points
The loudness or softness of sound depends on the person who is listening
A.True
B.False
Question 9
True/False
5 points
Sound energy is not useful to us.
A.True
B.False
Question 10
True/False
5 points
Vibration is the back and forth movement of an object.
A.True
B.False