Introduction to cells
In this activity, students are introduced to cells. They learn that we are made up of cells. Students also learn how to use a microscope to observe onion cells.
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Bacteria cells
Bacteria cells are single-celled organisms – they can live by themselves.
From left to right: Campylobacter bacteria; the Bacillus subtilis bacterium found in soil and the Helicobacter bacteria that is known to cause stomach ulcers.
Helicobacter bacteria courtesy of David Gregory & Debbie Marshall, Wellcome Images
By the end of this activity, students should be able to:
explain very simply what a cell is
explain in simple terms how people grow
use a microscope to observe onion cells.
Download the Word file (see link below) for:
introduction/background notes
what you need
what to do.
Related activity idea
This activity helps students conceptualise DNA by extracting it from tomatoes.