1) What is the hypothesis of the experiment?......Animals need air to stay alive.
2) State the things that is
i) Kept the same: The present of food and water
ii) Changed: The present of air.
3) What is the observation of the experiment after a day?
i) P: The fish stays alive because it has air.
ii) Q: The fish dies because it has no air.
4) What is the conclusion of the experiment?
.....Animals need air to stay alive.
