Grade 7 Science

Microorganisms (4 weeks)

Phil Macoun, Jakarta, Indonesia

Name: _________________

C level activities (150 pts maximum)

1. Journal / portfolio check (neat; organized). (5 pts)

2. Lecture (pay attention; take organized notes). (5 pts)

1 2 3 4 5

Use a model to estimate relative size of different microorganisms.

3. Demo Activity: Walking across the head of a pin. (10)

Describe the characteristics of Bacteria, Viruses, Algae, Protozoa and Fungi.

4. Lab Activity: Looking at Microorganisms. (20)

5. Reading and crossword, 'What are Microorganisms?' (15)

6. Find a newspaper article on a bacteria or virus. Cut out, read and summarize. (10)

7. Is there life in a drop of pond water? Collect a sample of water from a pond and make a wet mount. Draw and try to identify as many organisms as you can find. (20)

8. Make flashcards for 10 definitions in this unit. (10)

Identify the common places microorganisms live.

9. Reading and crossword, 'Microorganisms everywhere' (10)

Understand the doubling mechanism behind the rapid reproduction of microorganisms.

10. Double or Quit Activity (10)

Explain the importance of microorganisms in the food chain.

11. Reading and crossword, 'Microorganisms and the environment.' (10)

Explain the link between microorganisms and disease.

12. Reading and crossword, 'Microorganisms and disease.' (10)

13. Reading and questions, 'Sir Alexander Fleming' (5)

14. Reading and picture, 'Diseases' (5)

15. Diseases word match. (5)

16. Design an advertising brochure that warns people about a certain disease causing microorganism. (20)

Explain how microorganisms can cause food poisoning

17. Reading and crossword, 'Microorganisms and food.' (10)

Explain how microorganisms produce food

18. Lab Activity: Looking at Fermentation (20)

19. Field trip report with pictures (20)

Describe different ways to keep food safe

20. Reading 'Keeping Food Safe to Eat'. Answer the study questions OR summarize the important information. (10)

21. Scabby apples activity (10)

22. Lab activity: Taking Out the Water. Carry out the experiment and answer the finding out questions in your journal. (15)

23. Reading and Crossword, 'Setting the Standard.' (10)

B level activities (30 pts maximum)

Most of these labs require streaking a plate of agar with bacteria. You must watch and listen to the demonstration to do the labs.

1. What areas of your body have the most bacteria?

2. What areas in the school have the most bacteria?

3. Does hand washing reduce the bacteria on your hands?

A level activities (20 pts maximum)

1. What is AIDS and why has it become such a big problem?

2. What is the 'down-side' to antibiotics in our society?

3. Why are there no smallpox epidemics in the world today?

4. Germ warfare is the use of harmful microorganisms as weapons in war. Why is germ warfare so dangerous? What do you think should be done to prevent its use?

120 - 140 = D

140 - 160 = C

160 - 180 = B

180 - 200 = A