Science Homework Answers & Questions Page 913

• What causes folded mountains?

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• What is needed for a wave to start?

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• What is a vesicle?

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• What type of ecosystems do lions live in?

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• What are the parts of the tundra ecosystems?

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• What is a barometer and how is it useful for weather forecasting?

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• During a lunar eclipse, what color is the moon?

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• What is the difference between Carbon 12, 13, and 14?

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• What is the difference between a star, sun, planet and a moon?

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• What is the continental rise?

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• What is the distance between earth and Mars in km?

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• Why do geologists know so little about Precambrian history?

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• Are Aliens real? Is it possible that life on other planets is real and we (the people of Earth) just not know it?

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• How many natural satellites does the earth have? What are their names?

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• What is stellar equilibrium?

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• What are stars made of? How are they born?

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• How long does it take for light to across the diameter of Earth's orbit around the sun?

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• What is a barometer?

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• How does sunspot and solar flare activity affect the Electromagnetic (EM) Spectrum?

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• How does the sun produce energy?

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• What causes moon phases? Why is there only one full moon a month?

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• How many full moons will occur this year?

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• What is a satellite?

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• How far is Jupiter from the moon in miles?

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• How far is the moon in miles from earth?

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• What is an earthquake's magnitude?

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• What is the difference between crescent and gibbous?

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• What happens at a divergent plate boundary?

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• What is Sputnik?

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• What is a spring tide? What is a neap tide?

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• How does the greenhouse effect work? On which planet is it the strongest?

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• How many times does the Moon rotate on its axis during one trip around Earth?

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• Which elements have similar chemical and physical properties to Sodium (Na)?

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• What are some common characteristics of intrusive igneous rocks?

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• What is contour farming and how does this help control soil erosion?

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• Why is the distance between the Sun and Earth important in Astronomy?

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• What event led to the Neolithic Revolution?

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• How far away is Jupiter from Saturn?

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• A quasar consumes 1 solar mass of material per year, converting 15 percent of it directly into energy. What is the quasar's luminosity, in solar units?

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• How do scientist know how many planets are in the universe?

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• What is latitude?

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• How many white dwarf stars are there in the Milky Way Galaxy? How old are the white dwarf stars in our galaxy?

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• What are the layers of the earth made of?

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• What were the goals of the Space Shuttle program?

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• What type of galaxy is the Milky Way classified as?

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• What is the prime meridian?

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• How are strong nuclear force and weak nuclear force alike?

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• What is a constellation is and what determines when it is visible to us?

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• Why do Uranus and Neptune appear to be blue?

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• Who discovered planet Mercury?

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