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Chemical Reactions Unit

Scott Wilson

Three Rivers Middle School

Cleves, Ohio

Name: __________________________________________

UNIT TOPIC: Chemical Reactions

Approximate number of SCHOOL (Mon-Fri) days on this unit: 15 (3 weeks)

OBJECTIVES: Determine whether a chemical reaction has occurred, describe how to read and understand a balanced equation, distinguish reactions that absorb energy and those that release energy, understand chemical nomenclature, describe and explain how to describe and measure the speed of a chemical reaction.


A: 150-139à C-layers/ 1 B-layer/ 1 A-layer

B: 138-128à C-layers/1 B-layer

C: 127-114à C-layers

D: 113-104

C Layer assignments (maximum 126 pts/ not including any extra credit you may receive

1. National Standards Test (we will do this twice/ once at the beginning of the unit and once at the end of the unit) 5 pts for each test


2. Listen to the lecture on chemical reactions. Take notes and show to Mr. Wilson. O.D. 5 pts for each lecture

________ Physical/Chemical Change _______ Chemical/Word Equations

______ Endo/Exothermic Reactions

________ Activation energy/Reaction Rate _______ Inhibitors/Catalysts

_______ Nomenclature


3. Read chapter 5 and complete any 4 questions from the 2 section reviews (pgs 121-129) (pgs 132-137) 15 pts


4. Make vocabulary flashcards of the words on pages 122 and 132. Learn them. Oral defense 10 points

Worksheets (a little math)

5. Do the Worksheet packet oral defense 20 pts

**6. Thinker Packet (Must do) 15 pts


7. Design a powerpoint presentation, which "teaches" chemical reactions and "nomenclature." (minimum 10 slides) 20 pts

Must include pictures PERTAINING to the slide subject. Save to Mr. W's computer on the "C" drive. Email a copy to Mr. W. at the following address: swilson@three-rivers.org

8. Watch the Brainpop video on "pH scale." List 10 things you learned 10 pts

9. Watch the Brainpop video on "Property Changes." List 5 things you learned 10 pts.

10.Watch the Brainpop video on "Acids and Bases." List 5 things you learned. 10 pts

11.Go to the following website: 10 pts http://www.acs.org/portal/a/c/s/1/wondernetdisplay.html?DOC=wondernet\whatsup\react\wu_react.html

a. Match each poem with it's correct photograph

b. Write a 2-4 sentence summary about each correct "answer summary!"

(there are seven total poems so you'll need to have 7 summaries!)

12. Go to the following website: http://www.nyu.edu/pages/mathmol/txtbk2/topic3.htm 10 pts

a. Scroll down to the bottom of the page and using your mouse, verify the formulas by listing the total number of atoms of each element for the following:

Water, Methane, Benzene, Butane, Aspirin, Caffeine

13.Go to the following website: http://www.wfu.edu/~ylwong/balanceeq/combust.html 10 pts

a. Do the Balancing Equations exercises. Show Mr. Wilson when you are finished.

14. Go to the following website: http://www.sciencedaily.com/releases/1998/03/980330073403.htm 10 pts

1. read the following article: Paint Changes Color To Reveal Corrosion On Aircraft

2. Write a 1 paragraph 6-10 sentence summary about the article

15. Go to the following website: http://www.sciencedaily.com/releases/1999/03/990322060458.htm

a. Read the following article: Vesicle Chemistry: A New Way To Get Life-Like Reactions

b. Write a 1 paragraph 6-10 sentence summary about the article

16. Go to the following website: http://www.chem.vt.edu/RVGS/ACT/notes/scripts/bal_eq1.html 10 pts

a. Balance all the equations listed.

b. Show Mr. Wilson when you are finished

Hands-on activities

17. Use different markers/crayons/colored pencils colors/shadings to draw representations of a formula 10 pts

such as MgCl2, H2CO3, Al2O3

18. Use coins, or other objects to model balancing the chemical equations in the PAGE 129 section assessment question #1. 5 pts

19. Use a scale and weights to demonstrate the law of conservation of mass 10 pts


20. Elephant's Toothpaste. Explain to Mr. W. how/why the reaction occurred. 10 pts

21. Dehydration of sugar by sulfuric acid reaction. Explain to Mr. W. how/why the reaction of occurred. 10 pts

Skits and songs

22.Choose one of Eminem's songs "Without me" or "Sing for the moment" and rewrite the lyrics so that the song is about "chemical bonding." Your song must include the following terms: rate of reactions, inhibitor, catalyst, chemical reaction, reactant, product, endothermic, exothermic. Perform the song as a group on camera at school or at home. 20 pts

23. Make a video at your house or somewhere outside of school about chemical reactions (sky's the limit on this; you can do a "game show," "newscast," "commercial-advertisement," Etc (or something you come up with!) Present the video to Mr. Wilson. Video must be at least 3 minutes long. Video must include all of the vocab words for chapter 5 15 pts

24. Design a skit about chemical reactions. Skit must be at least 2 minutes long and involve 4 of your vocab words. O.D. 15 pts

Minilabs (labs you can do at home!)

25. Chapter 5 minilab pg. 136 "Uncovering Inhibitors." Record your analysis questions. Oral defense 10 pts

26. Chapter 5 minilab pg. 124 "Observing a chemical change" Record your analysis questions Oral Defense 10 pts

Labs (Sign-up sheets are posted on the blue wall)

27. Exothermic/Endothermic lab on page 130 (you will need to sign up for this lab. It will be only done on Thursdays or Fridays. Maximum of 3 per group) 10 pts

28. Potassium Iodide Reaction lab (you will need to sign up for this lab. It will be only done on Thursdays or Fridays. Maximum of 4 per group 10 pts

***This lab will only be performed during the FIRST 2 weeks of the unit. Sign-up is limited to

first come/ first serve

29. Double Displacement Reactions Lab (you will need to sign up for this lab. It will be only done on Thursdays or Fridays. Maximum of 3 per group) 10 pts

30. Calcium Chloride lab (you will need to sign up for this lab. It will be only done on Thursdays or Fridays Maximum of 3 per group) 10 pts


31. Design a test over chapter 5. Must have 5 multiple choice, 4 matching, 3 true/false, 2 fill in the blank and 1 short answer. Include an answer sheet with your test 15 pts

32. Take the test over chapter 5. You must score 80% of better. 15 pts


33. Research what the term "precipitate" means. Present your findings to Mr. Wilson Oral Defense 5 pts

34. Research what a "catalyst" is (use at least 2 resources besides your science text book!). What are the different types of catalysts and what are they used for? 10 pts

35. Research the Chernobyl disaster. What exactly happened? What were the sequence of events leading up to it? What were some of the health and physiological consequences? Social, economic, and political consequences? Environmental consequences? What could have been done to prevent it? Put your answer in essay form. O.D. 20 pts


36. Write a short story (minimum of 1 page) about chemical reactions. Include all the vocab words in your story. 15 pts

37. Draw a picture of an endothermic and exothermic reaction. 10 pts

38. Draw a picture of a chemical reaction involving a catalyst and inhibitor 10 pts

39. Draw a comic strip involving chemical reactions (use at least 4 of your vocab words in your comic strip) 10 pts

40. Write a paragraph comparing and contrasting chemical and mathematical equations. 5 pts


41. Write a paragraph comparing and contrasting chemical and mathematical equations. 5 pts

42. Come up with 10 words which begin with "en" (where "en" means "in") and 10 words which begin with "ex" (where "ex" means out). "ex-boyfriend" does not qualify as a word!! 5 pts

43. Make up a crossword puzzle using the vocabulary words in chapter 5 10 pts

44. Write Chemical equations for the following reactions: 10 pts

a. sodium reacts with aluminum chloride to form sodium chloride and aluminum

b. Potassium bromide reacts with chlorine to produce potassium chloride and bromine

c. Hydrogen peroxide breaks down into water and oxygen

45. Determine whether each of the following is a chemical or physical change: 5 pts

growth of a tree, butter melting, use of foods in your body, gas escaping from a soda, gasoline used in an auto, a lake freezing over

46. Write a balanced equation for the reaction: 2NO + H2 à 2NH3 + 2H2O 10 pts

47. State to Mr. Wilson an example of a balanced equation, unbalanced equation and what makes these equations balanced/unbalanced. 5 pts

48. State whether each of the following is an example of an exothermic or endothermic reaction and why 10 pts

a. A cold compress pack is activated by your hands squeezing it

b. A highway flare is activated

c. Water breaking down into hydrogen and oxygen

49. List on paper whether each of the following is an example of an inhibitor or a catalyst 5 pts

a. BHT (Butyl hydroxytoluene) used to slow the spoilage of cereal; thus increasing shelf life

b. Enzymes in your body (these help your body convert food to fuel;, build bone/muscle tissue)

c. Ice melting

50. Tape a 5-10 minute "conversation" about chapter 4 onto a cassette or video tape with your parents.. Your conversation must include all the vocab words as well as a basic/overall explanation about the key points from chapter 5 15 pts

51. Make a balanced chemical equation using candy of your choice

52. Any other assignments Mr. Wilson/Miss Hoying come up with during the unit.

_________ ___________ ____________ ___________

B layer assignments (Choose 1 only)

53. Research how cabbage juice is used in ACID/BASE indicator Tests. Using cabbage juice, design/perform a lab (in class) proving how cabbage juice can be used in ACID/BASE indicator tests. 12 pts

54. Design/perform an experiment to determine the rate of spoilage of two pieces of bread, one containing an inhibitor (such as BHT) and the other containing no inhibitor. Present your findings to Mr. Wilson in Proper LAB format 12 pts

A layer assignment

(For a chance at full credit on "A" layer assignmentsà You MUST submit the following ):

1. Answer to the question (if a question is asked)

2. video presentation (2-5 minutes minimum)

3. 2 articles you research (actual articles need to be submitted/ NOT the websites)

4. A summary for each article

*each summary needs 2 paragraphs

paragraph #1: 8-10 sentences summarizing the article

paragraph #2: 6-10 sentences stating your opinion of the article

(did you like/dislike it/agree/disagree with it? critically evaluate the topic in this paragraph)

55. Consider the statement "We are rapidly using up our natural resources." After doing research, in your video presentation take a stance as to whether we are or are not using our natural resources. Consider the law of conservation of mass/matter when answering this statement) 12 pts

PARENT SIGNATURE: __________________________________________________

(5 pts towards "C" layer)

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