Presentation on theme: "21 st Century Science P1 Revision Quick Quiz 2010-11 Specification."— Presentation transcript:
21 st Century Science P1 Revision Quick Quiz 2010-11 Specification
1. This diagram shows the layers in the Earth. Layer 4 is the mantle. 12341234 False! Layer 2 is the mantle
2. All our evidence for changes in the Earth comes from looking at rocks. True!
False! Hydrogen nucleus + Hydrogen nucleus Helium nucleus 3. Nuclear fusion is the energy source in the sun. In nuclear fusion hydrogen nuclei are joined together to make helium nuclei. This releases enormous amounts of energy. Helium nucleus + hydrogen nucleus → helium nuclei