Osmosis potato practicalQuick View
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Osmosis potato practical

(10)
A powerpoint to recap the theory of osmosis and prepare them for the potato practical A second powerpoint to re weigh the potatoes and draw a graph A third ppt with just 2 slides to give pupils more guidance when writing the hypothesis (lower sets)
Communicating with waves.Quick View
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Communicating with waves.

(4)
Pupils work through the worksheet and add to the diagram. By the end of the lesson they will end up with a summary of how waves are used in communication. Can be enlarged for pupils to work on in a group.
astronomersQuick View
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astronomers

(2)
How our understanding of the stars has developed, from Ptolemy to the Big Bang theory