Self propelled boats

Which one did we NOT talk about in our previous class?

• Resistance

• Volume

• Streamline

• Gravity

Changing the shape of an object to move easier or faster through air/water is called?

What is the formula for calculating Density?

• D=M+V

• D+V=M

• D= M/V

• V=M/D

What is the definition of Buoyancy

• The ability to fly

• The ability to float in water/air

• The ability to float in syrup

• Something that doesn't sink or float

Which one best describes water resistance

• Friction between water and another object moving through it

• Fighting someone in class

• Friction between you and the wall

• Pushing something over

Displacement is described as moving water in/up/out/