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C1b Tectonics Atmos Quiz Found 1. When was the Earth first formed? A About 4000 years ago C About 4 billion years ago B About 4 million years ago D About 400 billion years ago 2. 3. Name: The Earth is made of 4 layers. Which description is correct ? A The Crust and Mantle are METAL and the Inner Core and Outer Core are ROCK B The Crust and Mantle are ROCK, the Inner Core is LIQUID METAL, the Outer Core is SOLID METAL C The Crust and Mantle are ROCK, the Inner Core is SOLID METAL, the Outer Core is LIQUID METAL D All of the layers are made of ROCK What was ALL the EVIDENCE that made WEGENER say that the continents must have moved around the surface of the Earth? A JUST the shapes of the continents fitted together B JUST that the rocks and fossils matched on all continents C Volcanoes and Earthquakes are evenly spread all over the Earth D The shapes of the continents fitted AND rocks and fossils matched WHERE the shapes fitted wordwall.co.uk / play / 40336 4. 5. Why did most other scientists not believe Wegener at first? A They said the shapes didn't match B They said he couldn't explain HOW the continents could move C They said the rocks and fossils didn't match D They said he wasn't enough of an expert scientist Earthquakes and volcanoes are NOT evenly spread over the Earth. This means: A that the CRUST is broken into separate pieces B the magma only comes out where there has been an earthquake to crack the surface C they only happen where the sea is shallow enough D they only happen where the ground is weak wordwall.co.uk / play / 40336