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Worksheetsfloating and sinking
Total questions: 18
Worksheet time: 9mins
upthrust (stronger than object's weight) means an object will
sink
float
upthrust (object's weight is stronger) means an object will
sink
float
upthrust acts in the ________________ of gravity, making things feel lighter
same direction
opposite direction
What is upthrust?
Force
Upward Force
Weight of the object
None of these
What happens if the weight of an object is equal to or less than the upthrust?
It floats
It sinks
It spins
It explodes!
What happens if the weight of an object is greater than the upthrust?
it floats
it sinks
it bounces
it vibrates
When an object is floating in water, the object's weight and the upthrust of the water are ________ .
balanced
unbalanced
zero
dependent on other things
Floating means to sink in water.
True
False
The opposite of sink is ________
drown
wet
float
Density means ...
it is heavy
the amount of mass an object has, relative to its volume
you can not see through it
it can disappear
Which one will sink in the water?
Coin
Feather
Popsicle stick
Which object will sink when you put it into water?
ball
pencil
rock
What force can be felt when pushing a ball down onto the surface of water?
Magnetic force
Frictional force
Upthrust force
Tension force
How does a force diagram show why one ball floats while the other sinks?
By comparing their smells
By comparing the length of force arrows
By comparing their temperatures
By comparing their colors
When an object is floating in water, the object's weight and the upthrust of the water are ________ .
balanced
unbalanced
zero
dependent on other things
Bobby's blue bowling ball weighs 70N. Bobby puts his bowling ball in jelly (upthrust = 0.064N), will the bowling float or sink?
Float
Sink
What are the two forces that affect you when you float??
Frictional and gravitational forces
Air resistance and tension forces
Gravitational and upthrust forces
