7th Grade Life Science


Cell Analogy Project

  • Relate the functions of cell organelles to a real world system
  • Illustrate the systems of a working cell in terms of the systems your real world example
  • Produce a product that is neat, clear, and creative.

50 points possible.

Due Friday, March 16 - extended to Monday for those who need more time

Work individually or in small groups of up to four students.
  • If you're working as a group, use the flip chart paper.
  • If you're working individually, you can use printer paper.

Start with a rough draft in pencil on 8 1/2 x 11 printer paper.
  • Color the finished product (we have colored pens you can use).
  • Make sure you have a written explanation on the back.

Click to view Cell Analogy Examples

Grading Rubric for Cell Analogy Project

50 pts - Good analogy, well thought out and labeled

45 pts - Good analogy, missing some pieces or explanation

40 pts - Good idea; the analogy needs work

35 - Interesting choice, but missing the vital parts that show the analogy

Improving Your Grade

If my group doesn't get 50 points, can we improve it?

Yes! Please provide a clear statement of the analogous functions on a separate sheet of paper. Be sure to include as many of these functions as you can (even if they're not obvious in your drawing):

1. central control (nucleus)

2. regulates movement of "substances" in and out (cell membrane)

3. "protein" producers (ribosomes)
also, what is analogous to a protein in your analogy? Widgets? Hamburgers? Knowledge?
what is analogous to a lipid (fat),?

4. One or both of:
  • makes lipids and gets rid of chemicals and poisons (Smooth Endoplasmic Reticulum)
  • makes and regulates proteins (Rough Endoplasmic Reticulum)

5. Modifies, stores, and directs movement of product (Golgi)

6. Transports substances (Vesicles)

7. One (or both!) of
  • Releases energy (mitochondria)
  • Makes food (chloroplast)

3-D Cell Model Project (Extra Credit)

  • Create a 3-dimensional model of a plant or animal cell using materials of your choice.
    • Not just a flat drawing / diagram.

Work individually or in small groups of up to four students.

30 Extra Credit points possible.
  • Clear Effort and care = 30
  • Less effort and care = 25
  • Some effort = 10 - 20

Due Monday, March 19.
    • Bring your model to class or bring a photo of you holding your model

Materials Ideas
  • Paper with colored, cut-out & pasted-down (or folded) organelles
  • Play-dough or other clay
  • Clear slime
  • leaves, sticks, stones, acorns, ...
  • macaroni
  • beads
  • yarn
  • felt
  • styrofoam
  • recyclable objects (plastic water bottle for vacuole?)
  • pipe cleaners, yarn
  • ...

  • Food
    • Jello
    • Cookies
    • Cake
    • Pie
    • Pizza

Click to view Cell Model Examples

-- Main.VickiBrown - 19 Mar 2018
Topic revision: r2 - 20 Mar 2018, VickiBrown

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