Can we drink too much water?

Let's watch these 2 videos to find out!

Cells under the microscope

Check out these posts on my Instagram (and TikTok):

- Pictures of onion epidermis cells on Instagram (video on TikTok)

- Pictures of hydrilla leaf cells on Instagram (video on TikTok)

Photos and videos were taken using my mobile phone, viewed through the light microscope in our biology laboratory. Eyepiece magnification: 10x. Objective lens magnification: 4x, 10x, 40x.

Distance-time graphs and speed-time graphs (upper secondary kinematics)

Distance-Time Graphs:

Speed-Time Graphs:

308, please fill in your Kinematics notes:

Interesting cells

How a single-celled organism almost wiped out life on Earth:

Biggest unicellular organism:

Dispersion of white light

This is a video on dispersion of white light using a prism.