1. It’s Wednesday! Plus, our 4 th lab of the year Sharlene – need to finish reflection & turn in comp book Jeffrey – need to finish Unit Test & turn in comp book Angel B. – (not all today) need to finish comp book, reflection, Punnett quiz, and Unit Test

2. Calendar Wednesday, 9/24 Topic: Lab #4 Homework: None To Do Get out Calendar Pencil GMO essay (if not in yet) Comp book & G/T/S Coming up October Break 10/6-6/10 Inquiry Unit Test: 10/2-10/3 Collect 3 handouts. The white half-sheet will go on pg. 47, WHEN IT’S FINISHED. The green booklet will go on pg. 49, OVER CORNELL NOTES. The white booklet could go on pg. 48 now, if you don’t mind writing in the booklet while it’s attached.

3. Let’s see if you can identify good quality Quantitative observations Qualitative observations Inferences Testable questions Hypotheses Use the half-sheet to sort the phrases into the table. Attach the table to pg. 47. Yesterday’s Lesson

4. Today, we will move past hypothesis, onto variables & groups. What are independent, dependent, and constant variables? What are experimental and control groups? Set up Cornell notes on pg. 49. Today’s Lesson

5. The variable the scientist changes, manipulates, or chooses Independent variable

6. The variable the scientist measures, to see the effect of the independent variable Dependent variable

7. All the things that scientist keeps the same, to make the test fair Constant (control) variable

8. Independent variable’s the one you change (x2) Dependent ones you measure Get it wrong, you’ll feel displeasure Independent variable’s the one you change Constant variables stay the same (x2) It’s so you can compare, And the test you’ve done is fair. Constant variables stay the same. The Variables Song

9. The group(s) that get special treatment Experimental group

10. The group that gets the normal treatment Control group

11. This green booklet shows you what a lab report should look like Attach it on top of your Cornell notes on pg. 49. Green Booklet

12. White booklet (will be attached to pg. 48) We will write our testable question, hypothesis, variables, and groups If time permits, we’ll prepare our airplanes If time further permits, we’ll collect some data Lab #4

13. Observation / Inference

14. Quantitative

15. Qualitative

16. Testable Question

17. Hypothesis