1. WHAT IS A HYPOTHESIS?

2. A HYPOTHESIS IS NOT A(N): Question Random guess Observation Experiment Your mom

3. A HYPOTHESIS IS: A tentative explanation for an observation or a scientific problem that can be tested by further investigation.

4. IT IS AN IF, THEN, BECAUSE STATEMENT Question: How do I get rid of the pigeons? Does water help a plant grow? Hypothesis: If I place a fake snake by the pool, then the pigeons will go away because they are afraid of snakes. If water is related to plant growth, then the more you water plants, the bigger they will grow because water increases plant cell reproduction.

5. CHANGE THE FOLLOWING INTO A HYPOTHESIS Chocolate may cause pimples.

6. CHANGE THE FOLLOWING INTO A HYPOTHESIS Salt in soil may affect plant growth.

7. CHANGE THE FOLLOWING INTO A HYPOTHESIS Plant growth may be affected by the color of the light.

8. CHANGE THE FOLLOWING INTO A HYPOTHESIS Bacterial growth may be affected by temperature.

9. CHANGE THE FOLLOWING INTO A HYPOTHESIS Ultra violet light may cause skin cancer.

10. CHANGE THE FOLLOWING INTO A HYPOTHESIS Temperature may cause leaves to change color.

11. Lisa is working on a science project. Her task is to answer the question: "Does Rogooti (which is a commercial hair product) affect the speed of hair growth". Using the IF/THEN format, write a possible hypothesis for the above question. INDEPENDENT PRACTICE