1. Bio Resources www.glencoe.com/ose/ Access Code: CCF2754895
Novak’s teacher website

2. What is science? Why do we do science? How do we do science?
Agenda for Wednesday Dec 7th
Pre-test
Scientific Method

3. Observation/Research Formulate a Hypothesis Experiment
Scientific Method
Problem/Question
Observation/Research
Formulate a Hypothesis
Experiment
Collect and Analyze Results
Conclusion
Communicate the Results

4. What is a hypothesis?
Agenda for Thursday Dec 8th
Finish notes
Lab

5. Experimental Design
Hypothesis: a proposed scientific explanation based on the problem
testable and can be confirmed with experimentation or further observation
Prediction

6. Experimental Design
Independent (manipulated) variable – the factor being changed/tested
Dependent (responding) variable – the factor that may change as a result of independent variable
What you want to measure/observe
Constant – remains same in every experiment

7. Experimental Design Control group – used for comparison, baseline
may be a “no treatment”/placebo group
exposed to the same conditions as the experimental group, except for the variable being tested
All experiments should have a control group
Experimental Group – group that gets tested
1 factor changes at a time
Many trials

8. Data Information gathered during an experiment
Qualitative – observations
Quantitative – numbers

9. Scientific Method Results: tables, graphs, and photographs
Conclusion: statement that accepts or rejects the hypothesis
Support with data
Make recommendations for further study, improvements, errors

10. Scientific Method Sequence
Problem
Research
Form a hypothesis.
Repeat experiment many times until results are consistent.
Design and conduct experiment.
Refine and test an alternate hypothesis.
Draw a conclusion.
Hypothesis supported.
Hypothesis is not supported.
Report results of the experiment.

11. What is an independent variable? What is a dependent variable?
Agenda for Friday Dec 9th
1. Finish bean lab – due Monday
2. Design seed germination lab

13. Seed Germination Experiment
You will be investigating how different environmental conditions affect the germination of a seed.
Possible Questions to investigate
How Does Acid Affect the Germination of a Seed? How is the Germination of a Seed Affected by Sunlight? How is the Germination of a Seed affected by water? How is the Germination of a Seed affected by Temperature

14. What is the purpose of having a control group in an experiment?
Agenda for Monday Dec 12th
Set-up seed germination
Go over bean lab
Practice worksheets

15. Scientific method practice
Qualitative or Quantitative?
The cup had a mass of 454 grams.
It is warm outside.
The tree is 30 feet tall.
The sidewalk is long.
The race was over quickly.

16. Mr. Novak noticed that his favorite pants were not as clean as they used to be. His wife told him that he should try using Clean-O detergent, a new laundry soap she found on pinterest.
Mr. Novak made sure to wash one pair of pants in plain water and another pair in water with the Clean-O detergent. After washing both pairs of pants a total of three times, the pants washed in the Clean-O detergent did not appear to be any cleaner than the pants washed in plain water.
What was the problem Mr. Novak wanted to investigate?
Create a hypothesis.
What is the variable?
What should Mr. Novak conclusion be?

17. You are conducting an experiment to determine if increased ultraviolet radiation from the decrease in the ozone layer is killing off frog tadpoles. After examining all of the data available in the library, you decide to go with a hypothesis that increased ultraviolet radiation from the sun is killing off the tadpoles.
You design an experiment with a control and an experimental group. Group 1 involves 100 tadpoles in a five gallon container of water, which is covered by glass (knowing that the glass will filter out the ultraviolet radiation). Group 2 will be set up exactly like group 1, except that instead of being covered with glass, it is covered with an acrylic plexiglass, which will not filter out the U.V. radiation. You then place the groups outside for a period of a month, and observe the results.
Results
Group Group 2
Number of tadpoles
started with  
Number finished

18. What is quantitative data? Qualitative Data?
Agenda for Tuesday Dec 13th
Check seeds
Finish notes
Go over HW
Articles

19. What is difference between hypothesis, theory & law?
Hypothesis - “an educated guess”; a tentative explanation
Theory - a widely accepted explanation of natural phenomena
**confirmed by overwhelming data
**subject to change
Law – explanation of what always occurs under certain conditions

20. Inductive and Deductive
Inductive reasoning
Specific Information General Conclusion the scientific method- a hypothesis is specific, and after testing, you make fairly generalized observations
Deductive reasoning
General Information Specific Conclusion
an investigator trying to solve a crime using various pieces of evidence would be using deductive reasoning

21. Deduction – make a conclusion from something known or assumed
Inference - using observations, prior knowledge/experiences, and details from context to make connections and come up with idea
(Ex.  You see a window broken and a baseball on the floor next to the shattered glass.  You can -infer- that a baseball broke your window)
Deduction – make a conclusion from something known or assumed
Using data to make a conclusion

22. Graph type Line graph changes over periods of time
Bar Graph used to compare things between different groups
Scatter Plot X-Y plots are used to determine relationships between the two different things