This is one of the first projects in my cell unit. Students pick (or are assigned) one cell organelle from either a plant or animal cell. I differentiate for students of different abilities by giving harder organelles (like the rough or smooth ER) to higher achieving students and easier organelles (like the vacuole or cell wall) to lower achieving students. Students create a "Want Ad" for their organelle and come up with ways to describe it purpose without naming it in the Ad.
The following 7th grade Science Standards are covered:
1. All living organisms are composed of cells, from just one to many trillions, whose details usually are visible only through a microscope. As a basis for understanding this concept:
a. Students know cells function similarly in all living organisms.
b. Students know the characteristics that distinguish plant cells from animal cells,
including chloroplasts and cell walls.
c. Students know the nucleus is the repository for genetic information in plant and animal cells.
d. Students know that mitochondria liberate energy for the work that cells do and that chloroplasts capture sunlight energy for photosynthesis.