This afternoon year 3 learnt what lies beneath our feet. We found out about the layers of the Earth- crust, mantle, outer core and inner core. We then looked in more detail at the crust which is the thinnest layer (but isn’t thin at all!!). The crust is made up of sedimentary rock which is formed from layers of sediment over millions of years. To show these layers we created a club type sandwich with each layer representing the layers beneath our feet. We used:
- A plate as the bedrock
- Brown bread as soil
- Marmite as the first microscopic life on earth
- Prawns as the first life in the sea (arthropods)
- Salad as vegetation and fossil fuels
- Chicken to represent dinosaurs
- Peppers to represent volcanoes
The children were brilliant and enjoyed tucking into the sedimentary sandwich!
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