Buoyancy is:

• When an object sinks in liquid

• The ability to float in some liquid material

Water is the only liquid objects can either float or sink in.

• True

• False

Would this object float or sink?

• Float

• Sink

Tags

NGSS.3-PS2-1

NGSS.5-PS1-3

What does buoyancy depend on?

• The size of an object.

• The color of an object.

• The weight of an object.

• None of the above.

Does saltwater make an egg float or sink?

• Sink

• Float

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

What does it mean for an object to sink?

• It sits at the ground level below the surface water.

• It sits at the top of liquid.

Tags

NGSS.3-PS2-1

Would this object float or sink?

• Float

• Sink

Tags

NGSS.3-PS2-1

NGSS.5-PS1-3

Life jackets help people (and dogs) stay buoyant in water.

• False

• True

Tags

NGSS.3-5-ETS1-1

NGSS.4-LS1-1