Hypothesis and Experimental Approach

Topics: Hypothesis, Observation, Scientific method Pages: 0 (343 words) Published: September 4, 2014
1. Based on this information, what patterns do you observe?

2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water.

3. What would your experimental approach be to test this hypothesis?

4. What are the independent and dependent variables?

5. What is your control?

6. What type of graph is appropriate for this data set? Why?

7. Graph the data from Table 2 (above) in the space below.

8. Interpret the data from the graph made in Question 7.

9. Determine which of the following observations are testable.

For those that are testable:
Write a hypothesis and null hypothesis
What would be your experimental approach?
What are the dependent and independent variables?
What is your control?
How will you collect your data?
How will you present your data (charts, graphs, types)?
How will you analyze your data?
A) When a plant is placed on a window sill it grows faster than when it is placed on a coffee table in the middle of the living room.

B) The teller at the bank with brown hair and brown eyes is taller than the other tellers.

C) John caught four fish at the seven o’clock in the morning but didn’t catch any at noon.

D) Salaries at Smith and Company are based on the number of sales, and Billy makes 3,000 dollars more than Joe.

E) When Sally eats healthy foods and exercises regularly, her blood pressure is lower than when she does not exercise and eats fatty foods.

F) The Italian restaurant across the street closes at 9 pm, but the one two blocks away closes at 10 pm.

G) Bob bought a new blue shirt with a golf club on the back for twenty dollars.

H) For the past two days the clouds have come out at 3 pm, and it has started raining at 3:15 pm.

I) George did not sleep at all last night because he was up finishing his paper....
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