Size, Scale and Units

Size, Scale and Units

A clear and concise resource exploring key concepts of size, scale, and units in biology.

This resource provides an organised overview of how to measure and compare microscopic structures, including magnification, scale, and standard form, with illustrative examples for clarity.

Key features:

Explains commonly used biological units and prefixes (milli, micro, nano, pico)

Demonstrates unit conversions and standard form for small measurements

Covers magnification calculations and scale diagrams

Includes examples of typical biological structures and their sizes

Offers practical tips for working with size and scale

Includes an accompanying worksheet to reinforce and practise key concepts.