1/20
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
the reason things float or sink is because
water is heavy
The water displaced weighs the same as
we do
When water is pushed out of the way it is said to be
displaced
What happened to the water level in the dunk tank of science when Bill jumped in?
the water level raised
T or F: The mass of the displaced water balances the boat.
T
T or F: The volume of displaced water equals the space created by the boat in the mold.
T
The ______________________ makes a difference on if it sinks or floats.
shape
The clay boat & the ball of clay displaced the _____________ ______________ of water.
same amount
Boats that are made of stuff that sink will float if they have the right _________________.
shape
Things displace as much water as they _____________________.
weigh
things sink until they
float
the tennis ball that is cut in half floats higher in the water bc it doesn't _______ as much as the whole tennis ball
weigh
____________________ discovered he could figure how much volume objects had if he could measure the amount of water they displaced when they sank.
Archimedes
____________________ is what keeps a surfboard afloat.
buoyancy
When thrown into water, Bill _____________________.
floats
The pen cap sinks because ____________________________________________________.
air gets pushed out of the cap
A rock is _____________________ buoyant, while a piece of wood is _______________ buoyant.
negatively buoyant; positively buoyant
____ is a latin root for "somewhere in between"
neutral
A BC vest can be filled with _______ to displace more water and become more ______________.
air; buoyancy
Hot air balloons float in _____________, not water, b/c they have ___________________.
air; buoyancy
Any object will displace an amount of water that is the same as __________________.
weight