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WorksheetsSpeed and Sound
Total questions: 20
Worksheet time: 10mins
What is the speed of an object that travels 60 meters in 4 seconds?
240 m/s
15 m/s
240 km/h
15 km/h
Bryan runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?
100 seconds
1600 seconds
100 minutes
1600 minutes
Constant speed is a speed that is ________ all the time.
unchanged
changing
increasing
decreasing
Chloe runs 100 m in 20 seconds. Wai Him runs the same distance in 15 seconds. Who is faster?
Chloe
Wai Him
Both
Which of the following is a unit of speed?
min/km
km
minute
km/min
Match the graph to the description:
"The car is stopped."
Segment O-A: The bus is _________________. It's speed changes from 0m/s to 10 m/s in 5 seconds.
accelerating
decelerating
moving at a constant speed
not moving
At what point is the speed the greatest?
B
C
D
E
Ball A goes 15 metres in 3 seconds, ball B goes 12 metres in 2 seconds. Which ball moved the fastest?
Ball A
Ball B
Their speeds are equal.
What speed is been shown on the speedometer?
82 km/h
85 km/h
90 km/h
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
The pitch would be higher.
The pitch would be lower.
The sound would be softer.
The sound would be louder.
Sound A has a higher pitch than sound B. What must be true?
Sound A has a higher frequency than sound B.
Sound B has a higher frequency than sound A.
Sound A has a higher amplitude than sound B.
Sound B has a higher amplitude than sound A.
What medium does sound travel through fastest?
solid
liquid
gas
vacuum
Who shouts louder?
A
B
The loudness is the same.
Master L sees a lightning strikes and hears the thunder 3 seconds later. How far was the lightning? (In 1 second, sound travels 330 m in air.)
110 m
330 m
660 m
990 m
Which of the following would you hear as a low pitched sound?
sound wave with a frequency of 50 Hz
sound wave with frequency of 10,000 Hz
sound wave with an intensity of 10 dB
sound wave with an intensity of 100 dB
Amber holds two vibrating objects. Object A is vibrating faster than object B. Which statement is true?
A is louder than B
B is louder than A
A will have a higher pitch than B
B will have a higher pitch than A
Guan You listens to the sounds of different frequencies. He can only hear one of the sounds. Which frequency of sound is Guan You able to hear?
1 Hz
10 Hz
1000 Hz
100000 Hz
Kai Jie claps his hands when he was standing distant from a large wall, he hears the echo of the clapping after 1 seconds after he claps his hands. The speed of sound in air is 330 m/s, calculate the distance between Kai Jie and the wall.
165 m
330 m
Can you score 80% marks in physics?
Mou man tai, it should be a piece of cake.
Hmmm...I will try my best.
Huh? 80% a bit high for me, 60% can mou?
I am going to fail physics.
