How far can a snail travel in one minute?

Can you tell the time without a watch or a clock?

Do differently shaped kites fly differently?

Does an ice cube melt faster in air or in water?

How much juice is there in an orange?

What kind of line (string, wire, twine, etc) carries sound waves the best?

Is using two eyes to judge distance more accurate than using one eye?

Do liquids cool as they evaporate?