What is light: air or a stone?
Air
What is heavy: a rock or a feather?
A rock
Why does the rubber duck float?
It is light.
Does air make things float?
Yes, it does.
Does water make things sink?
No, it doesn't.
Is the coin light or heavy?
Heavy
Does the plastic bottle cap float?
Yes, it floats.
Does a metal key sink?
Yes, it sinks.
Does a glass marble sink?
Yes, it sinks.
Does the spoon sink?
Yes, it sinks.
Does a piece of paper float?
Yes, it floats.
Is the feather light or heavy?
Light
Does the rubber duck float?
Yes, it floats.
Why does the stone sink?
It is heavy.
Does the rock sink?
Yes, it sinks.
Does a leaf float?
Yes, it floats.