Nature & science · Age 11 · Quarter 2 – Cells, Microscopes & Deeper Life Processes
Cells and the Microscope – Too Small to See
Explore why a microscope is needed to observe cells and what magnification means.
Module
Quarter 2 – Cells, Microscopes & Deeper Life Processes
Age
Age 11
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
A typical human cell is about 10 micrometres wide. How many micrometres are in 1 millimetre?
Question 2
Multiple choice
If a microscope magnifies 400 times (×400), and a cell appears 2 mm on the slide image, what is its real size?
Question 3
Multiple choice
Robert Hooke first described cells in 1665 when he looked at thin slices of cork under a microscope. What did the small box-like spaces remind him of?
Question 4
True or false
You can clearly see individual cells in a leaf using only your eyes, without any magnification tool.
Question 5
Matching
Match each term about microscopes to its meaning.