Hypothesis
- 1. Predicting and Forming a Hypothesis
- 2. HYPOTHESIS A guess 假说 hipótesis 가설 Hipoteza
- 3. Questions 1,2,3,4 #3 #2 #1 Hypothesis (guess) Dependent variable (no control) Independent variable (control) Inference Observation
- 4. Question 1
- 5. Observation inference hypothesis (guess) O 2 Dead Fish No oxygen in the water If oxygen level increases, fish population will increase O 2
- 6. O 2 O 2 Independent variable? (control) Dependent variable? (no control)
- 7. Hypothesis IF oxygen level increases THEN fish population will increase. O 2
- 8. Question 2
- 9. IF the cola contains sugar, THEN it will sink The regular cola sinks The diet cola floats Variables Observation Independent variable (control): How much SUGAR in the cola Dependent variable: (no control) distance the cola goes up Hypothesis
- 10. Question 3
- 11. Plastic bag Pencil Variables Observation Hypothesis
- 12. Variables Observation Hypothesis Inference There is water in the plastic bag The pencil is sharp The pencil breaks the bag and the water pours out A GUESS If there are MORE holes in the bag, then MORE water will pour out. Independent variable (control): Number of holes in the bag Dependent variable (no control): How much water pours out Plastic bag Pencil
- 13. 10. Control 9. Width 8. Length 7. Chart 6. Graph 5. Hypothesis 4. Dependent Variable 3. Independent Variable 2. Inference 1. Observation Example Definition (words/pictures)