Name______Date______Period______

Bill Nye- Fluids

  • Fluids ______, like water.
  • Everything we touch is either a ______, ______, or a ______.
  • Liquids and gases are ______.
  • We can ______through fluids, like swimming.
  • The marbles are like ______of a ______.
  • Fluids are ______, that’s why they rise. Then, they ______when they ______.
  • When a solid passes through a fluid there is ______(friction).
  • Biking helmets are shaped to ______drag.
  • The ______of an object has a large effect on the resistance on it.
  • How can big, heavy planes fly? The air gets ______back by the large fans. Air is pushed ______and ______while the plane is pushed ______and ______.
  • ______makes the wind blow and ocean currents.
  • Hot fluids ______colder fluids.
  • Warmer fluids have ______molecules.
  • ______holds water together.
  • The viscosity of a liquid refers to how ______it is; how easily it ______.
  • When things rub together there is ______.
  • NOW! Fluids can ______, ______, and ______.
  • What is Bill in at the end of the show? ______.

Name__ANSWERS____ Date______Period______

Bill Nye- Fluids

  • Fluids __flow____, like water.
  • Everything we touch is either a ___solid___, ____liquid_____, or a _____gas______.
  • Liquids and gases are _____fluids______.
  • We can ____move_____ through fluids, like swimming.
  • The marbles are like __molecules____ of a _____fluid______.
  • Fluids are ___warm_____, that’s why they rise. Then, they _____sink______when they ___cool____.
  • When a solid passes through a fluid there is _aerodynamic drag (air resistance)___ (friction).
  • Biking helmets are shaped to ___reduce_____ drag.
  • The __shape__ of an object has a large effect on the resistance on it.
  • How can big, heavy planes fly? The air gets _____pushed___ back by the large fans. Air is pushed _backward_ and ___down____ while the plane is pushed ___forward___ and ____up___.
  • _Convection__ makes the wind blow and ocean currents.
  • Hot fluids ___rise up above__ colder fluids.
  • Warmer fluids have ___faster moving______molecules. ** farther apart too!
  • ___Surface tension_____ holds water together.
  • The viscosity of a liquid refers to how ___thick__ it is; how easily it ______flows__.
  • When things rub together there is ___friction____.
  • NOW! Fluids can ____change shape______, ______flow______, and ___circulate______.
  • What is Bill in at the end of the show? _____in a hot air balloon______.