• Answer the following questions on a separate sheet of paper. • Answer the questions using complete sentences – any answers not in complete sentences will get no credit. • Answers are due THURSDAY for any credit. • Part 1 = C; Parts 1 & 2 = B; Parts 1, 2 & 3 = A Part 1 – These answers can be found directly in the reading, and go in order in the reading. Answer them using complete sentences!! 1. How does the Sun make our life on Earth possible? 8. How much longer can the Sun continue the fusion 2. What is the relationship between the mass an reaction? object has and the pressure at its center? 9. How does solar energy make its way to Earth? 3. What happens to gas as it’s squeezed? 10. What are four types of solar radiation? 4. What is most of the Sun’s mass composed of? 11. What absorbs about half of the solar energy that 5. How hot does it get at the center of the Sun? reaches Earth? 6. What happens as a result of the crash of hydrogen 12. What creates our weather? nuclei? 13. How does the atmosphere protect the planet? 7. What is this reaction called? 14. How is the atmosphere like a blanket? Part 2 – Answer these questions using complete sentences! 1. Name the types and percentages of radiation that are found in solar radiation. 2. Where does MOST of the Sun’s energy go? 3. How do infrared and ultraviolet radiation affect people? Part 3 – The figure below shows the percentage of solar energy that is reflected back to space from different surfaces. Use the figure to answer the following questions. Write your answers in complete sentences. 1. Which two types of surface on Earth are most important for absorbing solar energy and keeping the planet warm? Explain your answer. 2. Why do skiers often get sunburned even in the winter, when the sun’s rays are not very strong? 3. What effect would thick cloud cover have on the temperature of Earth’s surface? Explain. 4. Why might a major volcanic eruption lead to cooler temperatures over a large area around the volcano?