Floating and Sinking

"What Floats" is mainly about:

• why things float or sink

• what things float and sink

• how to make wood float

• why ships float

Which of these sink in water?

• wood, paper

• sand, rocks, nails

• sand, ships, wood

• paper, wood, sand

When an object pushes away water, it has ______ the water.

• sunk

• floated on

• displaced

• removed

What happens when an object weighs more than water?

• it sinks

• it floats

• it levitates

• nothing happens

What part of a ship allows it to float?

• the sails

• the engine

• the flat bottom

• the curved bottom

What is the name of the airbag in fish?

• swimming bladder

• life jacket

• lungs

• gills

Swimming and Air is mainly about

• how life jackets work

• how people are like fish

• how air helps us float and releasing air makes us sink

• swimming safety

Wearing a life jacket is like having ________ on outside of the body.

• help

• lungs

• clothing

• arms

The only way to float is by holding your breath.

• true

• false

What are the two most important factors as to whether an object will sink or float?

• shape and speed

• weight and size

• air and speed

• air and weight