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Listed under:  Science  >  Earth and space  >  Earth structure  >  Earth's crust
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Sites2See: Volcanoes

Links to resources outlining some famous volcanic eruptions and explaining the types and causes of volcanic activity.

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Light and shadows

Look at how a tree makes a shadow during a sunny day. Notice that objects always casts shadows that face away from the Sun. Examine how the shape and position of a shadow is related to the time of day and position of the Sun. Explore the shadows cast by different objects such as a bike, an umbrella and a child. Position ...

Image

Dinosaur fossil bone

This is a colour photograph of a fossil bone set against a black background. This bone is an opalised fossil of a femur, or thigh bone, of a hypsilophodont dinosaur. The blue colouration of this opalised fossil bone is clearly visible.