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Battling Ideas: Developing GCSE Skills through Student Sheets

This activity sheet provides students with the opportunity to develop their skills by engaging in a contest of battling ideas. Through analyzing and evaluating different explanations, students will learn to make informed decisions and communicate their reasoning effectively. The sheets cover topics such as Alfred Wegener's theory of continental drift and the process of plate tectonics.

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Battling Ideas: Developing GCSE Skills through Student Sheets

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  1. Battling ideas Student Sheets A skills development activity for GCSE

  2. Contents Sheet number Title Notes

  3. OCR SKILLUP : BATTLING IDEAS SS 1 OCR SKILLUP : BATTLING IDEAS SS 1 Which number? Which number?

  4. SS2 OCR SKILLUP : BATTLING IDEAS Battling ideas Contest 1 The idea that I support is… His explanation is that… Contest 2 The idea that I support is… His explanation is that… ***** = very confident *= not at all confident ***** = very confident *= not at all confident • What makes one explanation more convincing than another? • Did you change your mind when there was more evidence for a different explanation? Give an example of when this happened.

  5. SS3 OCR SKILLUP : BATTLING IDEAS Wegener’s theory Alfred Wegener noticed that the Earth’s continents fitted together like a jigsaw puzzle. His explanation for this was that they once had been joined but then slowly moved apart. He called his theory ‘continental drift’. During his lifetime he collected evidence for this theory but not enough to convince other scientists. 1930: Death of Alfred Wegener Time Theories Wegener’s theory of continental drift Revised theory of plate tectonics. Wegener finds the same fossils in Africa and South America and predicts that fossils will match on other continents. Magnetic stripes in the sea floor were mapped. They supported the prediction that rocks form at the ridges and move away as the sea floor spreads. Wegener finds fossil matches between several other continents. Wegener notices Africa and South America fit like jigsaw pieces and predicts that they were once joined. Mid ocean ridges were discovered. Scientists suggested that the ocean floor spreads outwards from these ridges. This pushes the continents apart as Wegener predicted. Observations Number of scientists who support the Theory. Almost none Few Some Most • Explain why Wegener’s theory of continental drift was not accepted by scientists but the theory of plate tectonics now is. • Explain why it may need to be revised in the future.

  6. SS4 OCR SKILLUP : BATTLING IDEAS SS9 OCR SKILLUP : WHAT’S THE CONCLUSION? Wegener’s theory : Marking Guide

  7. Picture credits Picture Student sheet Credit 4450374067 1/12

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