In this activity children create an arm-span timeline to help visualise a very long period of time. Working individually or in pairs they use their arm span to represent the whole age of the Earth, putting in key events in evolution.

This resource is part of a larger collection created to support Dippy on...

This resource provides activities for children aged from 4-11,using the theme of exploring Mars as the context. With a focus on the Martian weather. The activities are:

This resource, from the Royal Observatory Greenwich, is all about helping pupils get to know the solar system.

• There is a lively song and animation in a...

This resource, from the Royal Observatory Greenwich, is a video explaining an elegant method of creating a small model of the solar system, using very simple equipment.

Using a small torch and a transparent ball (for example from a...