Splish! Splosh! Why do we wash?

What is a wave?

How does soap get me clean?

Why does a boat float?

What is hard water?

Why do I turn red in the tub?

How does a shower work?

Why does the water get cold?

Why do I have to brush my teeth?

How does a towel get me dry?

How does the toilet flush?

What is a bathtub made of?

What can I see in the mirror?

Bathroom quiz.