Lab 1

Topics: Hypothesis, Scientific method, Observation Pages: 2 (433 words) Published: September 12, 2013
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EXERCISE #1
Examine the table. Based on the information in Table 2, what patters do you observe?

Develop a hypothesis related to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water. What would your experimental approach be to test this hypothesis? What would your experimental approach to be to test this hypothesis? What are the independent and dependent variables?

What would be your control?
What type of graph would be appropriate for this data set? Why? Graph the data from the table above. You can either make it in this document or upload it along with this workfile. You can make it with word or excel or you can make it on paper, take a picture of it and upload the picture. Exercise #2

Determine which of the following observations are testable. If it is not testable, write “not testable” in the answer spot. If it IS testable answer the following questions about the observations: 1)Write a hypothesis and null hypothesis.

2)What would be your experimental approach?
3)What are the dependent and independent variables?
4)What is your control?
5)How will you collect your data?
6)How will you present your data (charts, graphs, types)?
7)How will you analyze your data?
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. The teller at the bank with brown hair and brown eyes and is taller than the other tellers. I caught four fish at the seven o’clock in the morning but didn’t catch any at noon. The salaries at Smithand Company are based on the number of sales and Billy makes 3,000 dollars more than Joe. When Sally eats healthy foods and exercises regularly, her blood pressure is lower than when she does not exercise and eats fatty foods. The Italian restaurant across the street closes at 9 p.m. but the one two blocks away closes at 10 p.m....
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