Worksheetsscience review. Friction and sound.
Total questions: 20
Worksheet time: 20mins
A push or pull applied on a body is called _____.
work
force
noise
Without matter, sound waves could not travel.
True
False
Sound is caused by?
friction
vibrations
instruments
The 2 men are using friction to do something. Which could describe the picture?
friction from the sticks create heat to make a fire
the 2 men are making pencils
they are playing a game
they are trying to break the sticks with friction
What's going on here?
the man is doing a funky dance
he is slipping because there is too little friction
he is slipping because there's too much friction
he is having a great time shoveling snow
Why did the stick man fall down?
water causes a decrease in friction
water causes an increase in friction
the man tripped him
the dog tripped him
What is the range of frequencies audible to the human ear
lower than 20 Hz
20 Hz - 20.000 Hz
higher than 20.000 Hz
0 Hz - infinite Hz
