science 5 ppt

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Telling What the Sun Is Parts of the Sun : 

Telling What the Sun Is Parts of the Sun

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Why do planets stay in their orbit?

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Why can ’ t we look directly in the sun?

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Comparing Star and a Planet Star Planet Made of light gases Made of rocks Emits light and heat Does not emit emit light and heat Sphere of hot gas Sphere of hard rock Activity 1 Telling What the Sun Is Materials: Table Procedure 1.Study this table. 2.Tell the variables or factors that differentiate a star from a planet.

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Activity 2 Identifying and Describing the Parts of the Sun Materials: Illustration of the parts of the sun Procedure: 1.Study the surface and regions of the sun. 2.Enter your observations in a table like this .

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Is a sun a star or a planet? Why? Using the above information, describe the sun in your own words? What are the outer parts of the sun? Describe each part. Which part of the sun is blocked out by the moon during an eclipse? When is corona seen? What structures are found in photosphere? Why does the chromospheres glow?

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Why is sun important? If the sun stops shining what would happen to life on Earth?

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Evaluation Choose the letter of the best answer. 1.Which of these describes the sun? a.composed of light gases b.composed of hard rocks c.does not emit light and heat

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2.What kind of heavenly body is the sun? a.meteor b.planet c.star

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3.Which of these is the bright and visible part of the sun? a.chromosphere b.photosphere c.corona

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4.Which of these is seen at the photosphere? a.prominence b.sunspots c.both a and b

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5.Which of these is seen as black part during an eclipse? a.vchromosphere b.corona c.photosphere

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Draw and label the parts of the sun.