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Big Idea 14

Big Idea 14. Organization & Development of living organism. Essential Question. What and how do the parts of the human immune system protect our body from pathogens?. Objective. Students will be able to explain what pathogens are and how they can infect the human body .

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Big Idea 14

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  1. Big Idea 14 Organization & Development of living organism

  2. Essential Question • What and how do the parts of the human immune system protect our body from pathogens?

  3. Objective • Students will be able to explain what pathogens are and how they can infect the human body. • Students will be able to identify and describe the parts of the immune system and explain how they work to protect our body .

  4. Background Knowledge • The skin is the body’s first line of defense. Without the skin, pathogens would have free access. • A fever is the body’s way of fighting infection by creating an inhospitable environment for infectious agents. • Students need to know about unicellular organisms that are too small to see with the unaided eye. • Students should also know that homeostasis is the bodies attempt to maintain a consistent internal environment.

  5. Vocabulary immune system phagocytes lymphatic system lymphocytes white blood cell parasite disease bacteria pathogen homeostasis inflammation fungus infection communicable disease non communicable disease lymph antibodies virus T Cells

  6. Engagement 1. Why do you believe doctors tell us to wash our hands on a regular basis? 2. Where do you think bacteria grows? Complete bacteria lab. http://www.sks-science.com/sciencefair/ScienceLab4.html After bacteria lab complete Virus lab and activities. http://www.pbs.org/wgbh/nova/teachers/activities/3318_02_nsn.html- (discusses the flu of 1918) http://www.pbs.org/wgbh/nova/teachers/activities/2304_ebola.html-(directions & student activity sheet)

  7. Exploration • Students will watch a short video introducing the immune system, its parts, and how they work to keep us healthy. • Video Kids health: http://kidshealth.org/kid/htbw/ISmovie.html • When finished, students will illustrate the human body and identify where the immune system parts belong. Writing definitions next to the organs is at the discretion of the teacher.

  8. Explanation • Have students create a vocabulary foldable in journals. • http://mysciencelessons.blogspot.com/2009/07/vocabulary-foldable.html

  9. Elaboration on the web Students will read various articles on the immune system. • Kids health offers a short reading passage about the immune system athttp://kidshealth.org/parent/general/sick/germs.html#cat114 (with a quiz at the end of the article) or • http://kidshealth.org/teen/your_body/body_basics/immune.html (lower level reading) • http://www.niaid.nih.gov/topics/immunesystem/Pages/default.aspx(higher level reading) • http://www.niaid.nih.gov/topics/immuneSystem/Pages/whatIsImmuneSystem.aspx(higher level reading)

  10. Elaboration in the classroom • Germs are not for Sharingby Elizabeth Verdick • Germs Make Me Sick! Melvin Berger • Achoo! The Most Interesting Book You'll Ever Read About Germsby TrudeeRomanek • The Magic School Bus; Inside Ralphieby Joanna Cole

  11. Elaboration continued… • Students will create a 3-way Venn diagram about what they have learned about bacteria, virus, and fungus and how it affects the human body. • Students are to state what remedies (if any) humans have to counteract the pathogens that infect us.

  12. Evaluation • For final assessment student will create a product of their choice researching three types of pathogens that attack the human body. • Students will follow the rubric below for project.

  13. Evaluation choices • The final project choices: 1. write a letter 2. teach a lesson on what they learn/found 3. make a poster 4. make an illustrated encyclopedia page • write a headline newspaper page • create a survival guide • write a warning notice or community bulletin board advertising.

  14. Project Rubric

  15. Additional Resources • http://www.beyondbooks.com/lif72/2.asp • http://www.the-human-body.net/immune-system.html • Pictures of bacteria, virus, and fungus at http://www.sciencephoto.com/

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