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Sun, Moon & Earth

8th Gr - Ch. 22 Sun, Moon and Earth

QuestionAnswer
What two elements are the Sun mostly composed of? Hydrogen and Helium
What is the distance from the Earth to the Sun called? Astronomical Unit
What is the state of matter of the Sun? Plasma
What are the layers of the Sun? Core, Convective Zone, Radiative Zone and Photosphere
What are the two layers of the Sun's atmosphere? Photosphere and Chromosphere
What are explosive eruptions from the Sun? Solar Flares
What are dark spots on the surface of the Sun? Sun Spots
What if the fraction of gravity on the Moon as compared to Earth's gravity? 1/6
What is the distance from the Sun to the Moon? 93,000 miles
What event can occur on the Sun disrupting communications on Earth? Solar Flares
What type of phases are occurring during the first half of the lunar month? Waxing
What type of phases are occurring during the second half of the lunar month? Waning
What equipment was used to determine the layers of the Moon's interior? Seismometer
What causes the moon to have a thin atmosphere? Weak Gravity and Low Mass
Where would a person be standing to observe a total eclipse? In the Umbra
What is the hottest layer of the sun's atmosphere? Photosphere
What is Earth's only "natural" satellite? Moon
Where are the Sun's rays pointing during the Summer Solstice? Tropic of Cancer
Where are the Sun's rays pointing during the Winter Solstice? Tropic of Capricorn
Where are the Sun's rays directed toward during the Fall and Spring Equinox? Equator
What are steep nearly circular walls that project above the surrounding terrain on the Moon? Craters
What are broad lowland plains of basaltic lava that appear darker on the Moon? Lunar Seas
What is the largest lunar sea? Mare Imbrium
What is the most famous lunar sea? Sea of Tranquility
What galaxy are the Sun, Moon and Earth located in? Milky Way
What is occurring when the Earth passes between the Sun and the Moon? Lunar Eclipse
What is occurring when the Moon passes between the Sun and the Earth? Solar Eclipse
Created by: kpmueller