buoyancy

This is what happens to an object when the gravitational force is stronger than the buoyant force.

• sinks

• floats

• neutrally buyant

• I don't know...

Tags

NGSS.MS-PS2-2

If we place an empty sealed plastic bottle in water, we know it will float. What could we do to make it sink?

• You can't make a plastic bottle sink

• Increase mass (fill it with coins)

• Fill the bottle with helium

• Decrease mass (use a bottle made out of lighter plastic)

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is buoyant force?

• An upward force exerted by fluids on an object.
• An downward force exerted by fluids on an object.

What does buoyant mean?

• float
• push
• flying, yeah!!!!!!
• sink

What is buoyancy?

• The ability to float

• Degree of compactness of a substance

• The moving of something from its place or position

What is the direction of buoyancy force?

• Upwards

• Downwards

• Sideways

If the weight of the ______________ is greater than the weight of the object placed on water, the object will float.

Tags

NGSS.MS-PS2-4

What is the upward push of a liquid on an object?

• Buoyant force

• Volume

• Displaced water

• Density

Archimides principle states that the buoyant force of an object goes upward in the same weight of the fluid that the object displaces.

• true

• false

a rock sinks because its weight is less than the buoyant force

• true

• false