Science Homework Answers & Questions Page 917

• How long does it take for a star to form?

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• Which elements are found in each of the layers of the earth?

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• What kind of star is the sun and what is the composition of the sun?

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• How far is Pluto from the sun in km?

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• How was earth created considering a scientific mindset?

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• How far away is Neptune's moon, Triton, from earth and how long would it take to get there?

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• What inner planets experience a greenhouse effect? What causes the greenhouse effect to take place?

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• How fast does the sun move around the galaxy center?

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• What is the diameter of the earth's moon?

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• What is the outer core made of?

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• How does weathering affect the Grand Canyon?

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• What are comets?

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• How does water affect the rock cycle?

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• Throughout Earth's recorded history what is the hottest and the coldest temperature ever recorded? What parts of the Earth had these temperatures?

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• How is astronomy related to biology?

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• What is meteorology?

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• What is longitude ?

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• What are sunspots?

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• How fast does earth rotate near the equator?

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• What characteristic helps identify nonfoliated metamorphic rocks?

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• How can water be both renewable and a non-renewable resource?

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• How does the size of the sun compare to earth?

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• What is the difference between precession and nutation in terms of the earth's rotation?

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• What percentage of the earth is made up of water?

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• What is the relationship between the solar nebula and the solar system?

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• What are some differences and similarities between the three plate boundaries: divergent, convergent; and transform?

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• The star Procyon B has a surface temperature of 7500°C and a low absolute brightness. What type of star is it?

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• What is the difference between a planetary nebula and a normal nebula?

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• Why is oceanography important?

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• Why do hurricanes form over warm water?

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• What are some examples of minerals that occur as elements instead of compounds?

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• What is earth's lower mantle made of?

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• How does the sun affect the phases of the moon?

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• What is antimatter and dark energy ?

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• Light from the sun reaches Earth in 8.3 min. The velocity of light is 3.00 108 m/s. Given this info, how would you determine how far the Earth is from the sun?

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• What is the relatively soft layer of the upper mantle called?

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• How far away is pluto from earth? Does this distance vary?

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• Why are stratovolcanoes sometimes called composite volcanoes?

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• How does paleomagnetism support the theory of plate tectonics?

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• Why do volcanoes form when one plate dives under another?

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• Who was the first person to observe the moon through a telescope? What features of the moon did he identify?

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• What is the sun made of?

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• What are some examples of organic sedimentary rocks?

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• Who was the first person to walk on the moon?

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• How do lines of longitude differ from lines of latitude?

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• Why do spring tides happen twice a month?

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• What are the major characteristics of the euphotic zone?

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• How many earths can fit the diameter of the sun?

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• What was one effect of Copernicus' theory of a sun-centered solar system?

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• Imagine that you are flying from Boston to San Francisco. You leave Boston at 8:00 A.M. What time is it in San Francisco?

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