This topic takes on average 55 minutes to read.
There are a number of interactive features in this resource:
Animations: most of the animations can be expanded to full screen size, ideal for showing on an interactive whiteboard. The animations will play all the way through or can be viewed one section at a time.
This topic has features which you can interactive with, these are usually animations will require you to click to progress to reveal more details.
1. Drag the scientists and their discovery to the correct date