Sunday, January 29, 2006

 

Chem Syllabus for Jan 30 - Feb 3

 

Chem Extra Credit Jan 30 - Feb 3

Wednesday, January 25, 2006

 
Help with the Study Guide!!!

MULTIPLE CHOICE

1. B

2. D

3. D

4. D

5. C

6. D

7. B

8. A

9. B

10. A

11. B

12. A

13. B

14. B

15. D

16. D

17. C

18. D

19. C

20. B

21. B

22. A

23. B

24. C

25. D

26. C

27. B

28. B

29. A

30. C

31. B

32. A

33. B

34. A

35. A

36. A

37. C

38. B

39. C

40. B

41. A

42. B

43. B

44. C

45. C

46. C

47. C

48. C

49. B

50. C

51. C

52. A

53. B

54. B

55. A

SHORT ANSWER

56. Precision is how close a set of measurements of the same quantity are. Accuracy is how close a measurement is to the true value.

57. Isotopes are atoms of the same element with different numbers of neutrons and therefore different mass numbers.

58. A mole is a collection of atoms that is large enough to measure in the laboratory. A single atom is too small.

59. cheers


Monday, January 23, 2006

 

1st period Elements - Neon

http://www.surveymonkey.com/s.asp?u=625711697776

3rd period Elements - Neon

http://www.surveymonkey.com/s.asp?u=463361702234

1st period Fireworks

http://www.surveymonkey.com/s.asp?u=417941697777

3rd period Fireworks

http://www.surveymonkey.com/s.asp?u=108881702233

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Elements: Neon Webquest Materials

Your job in this WebQuest is to explore the chemistry behind neon signs, and learn how the different colors of these signs are made. You will discover exactly how the noble gases are inserted into glass tubing, and how the gases are made to glow. You will also learn how different colors of neon signs are created. You will find out how neon glass tubing can be bent and how neon artists create their works of art. Then you will answer a set of questions about neon signs.

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Chemistry Fireworks Links

Your job in this WebQuest is to discover the component parts of fireworks, and to identify the chemical compounds that are responsible for the brilliant colors that light up the sky as fireworks explode. You will explore the history of fireworks and find out when the first fireworks were invented. You will learn about firework design and how fireworks are built. You will also find out what chemical compounds are responsible for the colors seen in fireworks. Finally, you will answer a set of questions about fireworks to demonstrate what you have learned about the chemistry of fireworks.

Look at the web sites given here to find the information that will enable you to answer questions about the chemistry of fireworks.

Where did fireworks begin?


Sunday, January 22, 2006

 

Chemistry Weekly Syllabus

 

Chem Extra Credit: Jan 23-27

Thursday, January 19, 2006

 
Chemistry Study Guide
-Good luck as you study for Friday's Residency!

Chem Intro Study Guide
Answer Section

MULTIPLE CHOICE
1. C
2. A
3. B
4. D
5. C
6. B
7. C
8. A
9. D
10. B
11. A
12. D
13. A
14. D
15. B
16. D
17. D
18. B
19. B
20. D
21. C
22. D
23. A
24. B
25. D
26. B
27. C

MATCHING
28. D
29. F
30. I
31. A
32. K
33. B
34. J
35. E
36. G
37. C
38. H

Monday, January 16, 2006

 

Chemistry Syllabus 1/17 - 1/20

 

Extra Credit January 17-20 (part 1)

 

Extra Credit January 17-20 (part 2)

Tuesday, January 10, 2006

 
Dear Students:

Welcome to the world of Chemistry. I look forward to a stellar semester with you. Please check back here for Extra Credit, WebQuests, practice residency questions, and powerpoint tidbits.

Cheers,
J. Gibney

 

Chemistry Weekly Syllabus

 

Extra Credit for Week 1 (print and bring in!)

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