Buoyancy

Buoyancy is:

• When an object sinks in liquid

• The ability to float in some liquid material

What is buoyant force?

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

An empty water bottle floating on the water is an example of....

• positive buoyancy
• negative buoyoncy

If an object is neutrally buoyant it will ________.

• sink

• float

• neither float or sink

• objects cannot be neutrally buoyant...

Tags

NGSS.3-PS2-1

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

What happens when you heat a gas?

• It gains mass.
• It loses mass.
• It increases in volume.
• It decreases in volume.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

What is any substance than can flow and take the shape of the container that holds it

• pressure
• fluid
• atmospheric pressure 
• density

Tags

NGSS.MS-ESS2-4

Which of the following is not a fluid?

• air

• liquid water

• oil

• a rock

When an object has a density of less than 1g/mL it will

• sink in water.
• float in water.
• float in air.
• absorb water.