Bill Nye- Buoyancy- Guided viewing worksheet
What does it mean to "displace" water?
Place away
Explain why the clay ball sinks but the same size clay boat floats.
It displaces the same amount of water
Things displace as much water at it weights.
Who was Archimedes? what did he discover?
He discovered buoyancy, volume how much water it displaces.
How do fish control their buoyancy
Fish swim by using their swim bladder to raise or descent.
Negatively buoyant: go down
Positively buoyant: float
Neutrally buoyant: stay neutral in the middle
How do air balloons work?
The hot air inside has to be hotter than the air outside.