WorksheetsG3 U5 Sound
Total questions: 10
Worksheet time: 7mins
Which picture shows
that sound is coming from the drum?
picture A
picture B
both are correct
not in the choices
When an object makes a sound, the object will
_ _ _ _ _ _ _. HINT: starts with "v"
(a)
When I talked, the sequin _ _ _ _ _ _ _ _. HINT: starts with "v" and ends with "d"
(a)
When I talked, the string _ _ _ _ _ _ _ _. HINT: starts with "v" and ends with "d"
(a)
Why did we put some
beads inside the plastic cup?
To see easily how vibration happens inside.
To make/produce big vibrations.
both are correct
not in the choices
When the string is rubbed strongly versus lightly, the
vibration of the beads inside the cup is ______________.
the same
different
both are correct
not in the choices
Which is a GOOD way to do the experiment?
Tap the spoon hardly to make big sound until your ear hurts.
Tap the spoon gently
so you do not hurt your ear.
both are correct
not in the choices
Why is a metal spoon used in this experiment?
Because when the spoon is tapped, sound travels on the string.
Because when the spoon is tapped, it will move.
both are correct
not in the choices
Ami can hear the sound when someone is talking on
the string telephone. Choose only one.
The sound can travel on the thick string.
The string vibrates more when it is thick.
Sound travels easily on a thick string.
all are correct
Reina wants to talk to Ami ONLY. Which part of the string should be pinched?
part A
part B
part C
all are correct
