Bill Nye- Buoyancy Notes
What does it mean to displace water?
To push it out of the way.
Explain why the clay ball sinks but the same size clay boat floats.
They clay ball is denser, where the boat takes up more space.
Things displace as much water as they weigh.
Who was Archimedes? What did he discover?
Archimedes discovered how to measure volume.
How do fish control their buoyancy?
Fish have a swim bladder.
Define the following
Negatively buoyant- The object will sink.
Positively buoyant-The object will float.
Neutrally buoyant- The object will stay in between.
Explain how hot air balloons work
Hot air expands and rises.
What does it mean to displace water?
To push it out of the way.
Explain why the clay ball sinks but the same size clay boat floats.
They clay ball is denser, where the boat takes up more space.
Things displace as much water as they weigh.
Who was Archimedes? What did he discover?
Archimedes discovered how to measure volume.
How do fish control their buoyancy?
Fish have a swim bladder.
Define the following
Negatively buoyant- The object will sink.
Positively buoyant-The object will float.
Neutrally buoyant- The object will stay in between.
Explain how hot air balloons work
Hot air expands and rises.