Martin Hughes-Games visits a science museum with some students to investigate fossils and what they tell us about the evolution of life on our planet.
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Martin Hughes-Games visits a science museum and explains the different ways that fossils can be formed. He describes the role of a palaeontologist - someone who studies ancient living things and how planet Earth has evolved.
Dr Neil Clark, a real life palaeontologist, shows a range of fossils including colonial coral found in equatorial regions, crinoids which are sea lilies still alive today, and orthocones, related to the octopus. He explains how Scotland used to be closer to the Equator but has moved further north over millions of years.
Martin models the evolution of life on Earth in a few minutes using the visual aid of a walk through timeline. From 4.6 billion years ago when the Earth was red hot, the timeline illustrates the evolution of the first life forms through to plants photosynthesising, bacterial evolution, marine life development, dinosaurs, flowering plants, finally leading to human life.
Palaeontologists can date the rocks containing fossils so that these fossils can be placed accurately on a timeline to show how a species can change or develop over millions of years. The timeline shows how short a time humans have lived on Earth relative to the rest of the timeline.
This clip is from the BBC series Evolutionwatch, in which Michaela Strachan and Martin Hughes-Games unpack the science of evolution.
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For Class Clips users, the original reference for the clip was p02mtc4r.
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Teaching Science or Biology?
This could be shown before a visit to a science museum. Pupils could recreate the timeline in the classroom or playground, or make a fossil using plasticine or plaster of Paris. Pupils could be given pictures of fossils to research and place on a timeline. Pupils could also use coding animation programmes available online to model how fossils are made using code.
This clip will be relevant for teaching Primary Science, particularly on the topic of animals and evolution.
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