2. DO NOW: Thursday, October 16th Write your “I Can” statement Take everything off your table

3. Adapted by T. Trimpe http://sciencespot.net/http://sciencespot.net/

4. Game Rules and Procedures Each table is 1 team. No changing tables or teams! Each team gets 1 dry erase board, 1 marker and 1 eraser. One person is in charge of writing down answers. Write your team’s number at the top of your dry erase board. NEVER erase it.

5. Scoring System Correct Answer: 1 point Incorrect Answer: no point Arguing with team: lose a point Talking during game: lose a point (don’t accidentally give away your answers!!) Being disruptive: lose a point

6. Don’t Forget... Contestants

7. Although they give answers in the form of questions on the TV show, you do not need to do this. You do need to write your answers on your team’s game board! The winning team gets PANTHER TICKETS!!

8. CHEMICAL CHANGES Which of the following is NOT evidence of a chemical change? A. production of light B. production of gas C. decrease in size D. change in temperature

9. CHEMICAL CHANGES Which of the following is NOT evidence of a chemical change? ANSWER: C A. production of light B. production of gas C. decrease in size D. change in temperature

10. CHEMICAL CHANGES Which of the following IS an example of a chemical change? A. steam from hot water B. iron rusting C. snow melting D. oil floating on water

11. CHEMICAL CHANGES Which of the following IS an example of a chemical change? ANSWER: B A. steam from hot water B. iron rusting C. snow melting D. oil floating on water

12. CHEMICAL CHANGES A teacher adds some clear, liquid lead nitrate to a beaker filled with clear, liquid potassium iodide. A yellow solid forms and sinks to the bottom. What two evidences of a chemical change have occurred?

13. CHEMICAL CHANGES A teacher adds some clear, liquid lead nitrate to a beaker filled with clear, liquid potassium iodide. A yellow solid forms and sinks to the bottom. What two evidences of a chemical change have occurred?ANSWER: color change and formation of a precipitate

14. CHEMICAL CHANGES Paul leaves an orange on the window sill for three days. When he finds it again, he cuts it open and sees the inside is brown and has a weird smell. Which of the following indicates a chemical change in the orange? A. Cutting it open B. Removing it from the window C. The color and smell change

15. CHEMICAL CHANGES Paul leaves an orange on the window sill for three days. When he finds it again, he cuts it open and sees the inside is brown and has a weird smell. Which of the following indicates a chemical change in the orange? ANSWER: C A. Cutting it open B. Removing it from the window C. The color and smell change

16. CHEMICAL CHANGES Is a phase change a chemical or physical change?

17. CHEMICAL CHANGES Is a phase change a chemical or physical change? ANSWER: PHYSICAL

18. CHEMICAL CHANGES Is a state of matter change a physical or chemical change?

19. CHEMICAL CHANGES Is a state of matter change a physical or chemical change? ANSWER: PHYSICAL

20. CHEMICAL CHANGES Which of these demonstrates a chemical change? A. gas bubbles form B. calculating density C. water evaporating

21. CHEMICAL CHANGES Which of these demonstrates a chemical change? CORRECT ANSWER: A A. gas bubbles form B. calculating density C. water evaporating

22. CHEMICAL CHANGES All of the following are evidence of a chemical change EXCEPT: A. production of precipitate B. a new substance forms C. a decrease in size

23. CHEMICAL CHANGES All of the following are evidence of a chemical change EXCEPT: CORRECT ANSWER: C A. production of precipitate B. a new substance forms C. a decrease in size

24. CHEMICAL CHANGES Which of the following is NOT a chemical change? A. Ice melting B. egg frying C. nail rusting

25. CHEMICAL CHANGES Which of the following is NOT a chemical change? CORRECT ANSWER: A A. Ice melting B. egg frying C. nail rusting

26. CHEMICAL CHANGES I make some cookies by mixing eggs, flour and milk. Then I stir it all up. Then I bake it at 350 degrees in the oven. At what point did a chemical change happen? A. When I stirred it all up B. When I baked it in the oven C. When I mixed eggs, flour and milk

27. CHEMICAL CHANGES I make some cookies by mixing eggs, flour and milk. Then I stir it all up. Then I bake it at 350 degrees in the oven. At what point did a chemical change happen? ANSWER: B A. When I stirred it all up B. When I baked it in the oven C. When I mixed eggs, flour and milk

28. CHEMICAL CHANGES I mix vinegar and milk together. A white solid forms. What just happened? A. a physical change produced a precipitate B. a chemical change produced a precipitate C. a physical change produced a solid

29. CHEMICAL CHANGES I mix vinegar and milk together. A white solid forms. What just happened? ANSWER B A. a physical change produced a precipitate B. a chemical change produced a precipitate C. a physical change produced a solid

30. CHEMICAL CHANGES Which statement is true about a physical change? A. it forms a new substance B. a gas will be produced C. the shape, size or texture might change

31. CHEMICAL CHANGES Which statement is true about a physical change? ANSWER C A. it forms a new substance B. a gas will be produced C. the shape, size or texture might change

32. How many points do you want to risk?

33. Identify these changes as physical or chemical A.Change in size B.Change in shape C.Produces gas D.Produces light E.Phase change F.State of matter change

34. ANSWER: Identify these changes as physical or chemical A.Change in size PHYSICAL B.Change in shape PHYSICAL C.Produces gas CHEMICAL D.Produces light CHEMICAL E.Phase change PHYSICAL F.State of matter change PHYSICAL

35. And the winner is …

36. I Can explain how chemical change is evidenced DO NOW: Quick Write: explain the evidences of chemical change we see occurring in the following pictures:

37. I Can brainstorm Jeopardy answers DO NOW: Quick Write What is the evidence of chemical change happening in this picture?