Wednesday, October 22, 2025

Photosynthesis & cellular respiration(2025-2026)

Vocabulary:  Photosynthesis, cellular repiration

Cells perform two processes that deal with Energy for the cell.

These processes are performed by two organelles:  

1) chloroplasts  and

2) mitochondria.





Tuesday, October 14, 2025

Osmosis & diffusion(2025-2026)

Vocabulary:  Diffusion, osmosis

*from gr. 7:  cell membrane, cytoplasm


We now switch "Worlds" from the Material world to the Living world.

We begin our topics with how cells move materials in and out of themselves.


*Here is a review of Animal cell anatomy from gr7:

                                  Cell structure | Cells as the basic units of life | Siyavula


The processes of Diffusion and Osmosis involve the cell membrane and cytoplasm of the cell.

See notes:





Check out this video that shows an Osmosis experiment you can do at home!





















Motion transmission & motion transformation systems(2025-2026)

Vocabulary:  transmission, transformation, chain and sprocket, gear trains, rod & crank, etc. When we apply forces to things - be they o...