1. Turn in signed lab safety contract & TMNT lab review Turn in signed lab safety contract & TMNT lab review Quiz: Lab Safety Quiz: Lab Safety Class Expectations Class Expectations Please record today’s schedule & homework in your planner & answer the following on your early work sheet (IQIA). Please record today’s schedule & homework in your planner & answer the following on your early work sheet (IQIA). What are 3 safety rules that you should always follow in the science lab? What are 3 safety rules that you should always follow in the science lab? None None09-09-13

2. 09-09-13 I will contribute to a safe, respectful, and effective learning environment.

3. Finish Class Expectations Finish Class Expectations Science Binder Science Binder Observations & Inferences Observations & Inferences Please record today’s schedule & homework in your planner & answer the following on your early work sheet. Please record today’s schedule & homework in your planner & answer the following on your early work sheet. List 3 observations about the contents of our classroom. List 3 observations about the contents of our classroom. None None09-10-13

4. 09-10-13 I can explain the difference between qualitative & quantitative observations.

5. Observation: An act of noting and recording an event, characteristic, behavior, or anything else detected with an instrument or with the senses. Qualitative observation: An observation made using your 5 senses. [sights, sounds, smells, tastes, & textures] Quantitative observation: An observation that is expressed in numbers. [time, temperature, mass, distance, & volume] Inference: A logical conclusion drawn from available evidence and prior knowledge.

6. OREO COOKIE OBSERVATIONS

7. Oreo Procedures Oreo Procedures Please record today’s schedule & homework in your planner & answer the following on your Do Now sheet. Please record today’s schedule & homework in your planner & answer the following on your Do Now sheet. Explain the difference between qualitative & quantitative observations. Explain the difference between qualitative & quantitative observations. None None09-11-13

8. 09-11-13 I can write a detailed procedure for a lab investigation.

9. 1. A man was fishing from a dock. 2. The lighthouse is on land. 3. There is a tackle box on the dock. 4. A fish bit the dock. 5. A man was eaten by a fish.

10. Do double stuf Oreos actually have twice as much filling as a regular Oreo?Do double stuf Oreos actually have twice as much filling as a regular Oreo?

11. 1 double stuf Oreo1 double stuf Oreo 1 regular Oreo1 regular Oreo Triple-beam balanceTriple-beam balance RulerRuler CalculatorCalculator

12. 1.Gather lab materials. 2.Carefully twist off one side of the cookie from both Oreos. 3.Measure the mass (in grams) of the cookie with no filling on it for both cookies using the balance. 4.Record the number of grams in the data table.

13. 5.Measure the mass (in grams) of each cookie with the filling on it using the balance. 6. Record the number of grams in the data table. 7.Calculate the mass of filling by subtracting the cookie mass (grams) from the cookie + filling mass (grams). 8.Record the difference (grams) in the data table.

14. 9.Record the results from 3 other groups. 10.Calculate the average mass (in grams) of filling and record this value in the data table. 11.Clean up!

15. Oreo Lab: Data Table, Variables, Hypothesis & Data Collection Oreo Lab: Data Table, Variables, Hypothesis & Data Collection Please record today’s schedule & homework in your planner. Please record today’s schedule & homework in your planner. List 3 things that you need to include when writing a lab procedure. List 3 things that you need to include when writing a lab procedure. None None09-12-13

16. 09-12-13 I can correctly identify variables & write a hypothesis for a lab.

17. Type of cookie Group # Mass of cookie Mass of cookie + filling Calculated mass of filling Regular1ggg 2ggg 3ggg 4ggg DoubleStuf1ggg 2ggg 3ggg 4ggg Average mass of filling g g

18. Type of cookie Group # Calculated mass of filling Average Mass of Filling (grams)Regular1g 2g 3g 4g 5g 6g 7g 8g 9g 10g 11g 12g 13g 14g 15g

19. Type of cookie Group # Calculated mass of filling Average Mass of Filling (grams) Double Stuf 1g 2g 3g 4g 5g 6g 7g 8g 9g 10g 11g 12g 13g 14g 15g

20. Manipulated:Manipulated: Type of Oreo – double stuf or regular. Responding:Responding: The mass (g) of the filling. Controlled:Controlled: The balance & method used.

21. Write a hypothesis using the IF, THEN, BECAUSE format.Write a hypothesis using the IF, THEN, BECAUSE format. IF double stuf and regular Oreos are compared THEN the double stuf Oreo will have twice the amount of filling of the regular Oreo BECAUSE Nabisco isn’t allowed to falsely advertise their cookies.IF double stuf and regular Oreos are compared THEN the double stuf Oreo will have twice the amount of filling of the regular Oreo BECAUSE Nabisco isn’t allowed to falsely advertise their cookies.

22. Oreo Lab: Analysis & Graphs Oreo Lab: Analysis & Graphs Please record today’s schedule & homework in your planner. Please record today’s schedule & homework in your planner. What 3 key words must be found in a hypothesis? What 3 key words must be found in a hypothesis? None None09-13-13

23. 09-13-13 I can analyze & create a graph of my data.