Watch Class Movie

teacher Prep

Lab sheet & activites

Class Movie

Watch Class Movie

Class Movie

Teacher Prep Movie

Lab Materials Needed

Blockey Koa Crate

from Kea STEMCrate

- 1 Springy Spring Scale per student

Student Lab Sheet

Discovering Cells

"I really didn't get what a cell was but after this lab I understand what cells are."

 

   Student - 6th grade.

Students explore plant cells to see cell walls, vacuoles and nuclei through the microscope. Two pigmentations are used to highlight different elements in the samples needed to better visualize them.

Cell Walls, Organelles, and Size

Journal Article Link

teacher Prep

Watch Class Movie

Lab sheet & activites

Class Movie

Teacher Prep Movie

Teacher Edition Lab Sheet

Lab Assistant

Student Lab Sheet

Lab Materials Needed

from Kea STEMCrate

- 1 Mezzie Measuring Tape per      student

- 1 Petri Dish per student

- 3 Iodine droppers 

-3 Methalane Blue droppers

-3 Vegetable Peelers

Additional Materials Needed

- plastic table cloth or cut trash  bag to cover sample prep tables

Potato Cells

(methalane blue dye to highlight cell walls)

Potato Cells - No Pigment

(Cell walls do not stand out from organelles)

Potato Cells - Iodine

(See how the iodine penetrates the cells)

Potato Cells - Blue

(See how the methylene blue stays on the outside of the cell wall)

Cell wall

Vacuole (Organele)

Tomato Cells - No Pigment

(Cell walls do not stand out well)

Tomato Cells - Iodine

(Nucleus view enhanced)

Tomato Cells - Blue

(Cell wall view enhanced)

Spirolina Cells - No Dye

(Cells stacked end to end - spiral chloroplast ribbon easily visible)

 

Class Movie

Teacher Prep Movie