Activity

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.

Campylobacter, Bacillus subtilis and Helicobacter bacteria.

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

Rights: The University of Waikato Te Whare Wānanga o Waikato, 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.

Published: 27 October 2010,Updated: 27 October 2010