What are the two main gases that make up the Sun?, Oxygen and nitrogen, Hydrogen and helium, Carbon dioxide and oxygen, Nitrogen and hydrogen, Which layer is the outermost layer of the Sun?, Photosphere, Chromosphere, Corona, Radiation zone, Why do sunspots appear darker than their surroundings?, Absorb all light, Lower temperature, They contain less gas, Further from Earth, What is the approximate cycle of sunspots?, 5 years, 15 years, 8 years, 11 years, Which phenomenon is a large ring of burning gas above a sunspot?, Prominence, Granule, Solar flare, Solar wind, Which phenomenon is a powerful explosion that brightens within seconds or minutes?, Aurora, Prominence, Solar flare, Sunspot, What light patterns form when solar particles react with Earth's atmosphere?, Lightning, Aurora, Rainbow, Halo, How long do particles from a coronal mass ejection take to reach Earth?, 8 minutes, 1 day, Several hours, 3 days, Which particles are found in the solar wind?, Electrons, neutrons and carbon dioxide, Neutrons, oxygen and nitrogen, Electrons, protons and alpha particles, Protons, oxygen and helium gas only, What is the main importance of Earth's magnetosphere?, Protects from particles, Produces solar flares, Produces sunlight, Increases temperature

Chapter 9

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