The sun and its planets g3

The sun and its planets g3

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  The Sun andits Planets 1
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  Ch.8 Lesson 6 TheSun and its Planets • ( Objectives ) • The student be able to : • 1-Explore and make a model of an orbit. • 2-Discuss that planets in our solar system orbit the Sun at different rates • 3-Understand that each planet has unique characteristics. • 4-Discuss various methods of space exploration that are used by scientists (Vocabulary): Solar System Planets Star Telescope lenses 2
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  Ch.8 Lesson 6 TheSun and its Planets • What is a Solar System? • Includes the Sun, nine planets, and their moons. (Vocabulary): Solar System Planets Star Telescope lenses 3 Solar System
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 4 • is a large body of rock or gas that orbits the sun. • Each planet is a different size. • Each planet has its own orbit or path around the Sun. • Each planet rotates on its axis and revolves around the Sun as Earth does. Planet
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 5 Planets in order: Mercury My Venus Very Earth Excellent Mars Mom Jupiter Just Saturn Served Uranus Us Neptune Nine Pluto Pizza
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 6 • is a star. • It is a hot, glowing ball of gases. • It is a medium-sized star. • It looks larger than any other star?? • Because it is the closest star to Earth. • It is very big compared with Earth. It is so big that if it were hollow, more than 1 million Earths would fit inside it! Sun
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 7 • The Sun looks small?? • Because it is very far from Earth. • It takes 8 minutes for sunlight to make the trip to Earth. • Earth get heat and light from the Sun. • If we were much closer, Earth would be too hot to live on. • If we were much farther away, Earth would be too cold for living things.
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 8 • What are the 9 planets like? • Planets have no light of their own, they reflect the sunlight. • The name planet come from a word meaning wanderer, as they wander through the sky. • Each planet move in a different orbit and at a different speed.
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 9 • Planets are divided into 2 groups • Outer planets made of gases. • Pluto is made of mixture of rocky materials + frozen gases 4 5
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 10 • How do we learn about space? • The Sun, the Moon, and planets are very far away. • How do scientists learn about them?? • They may use one tool called telescope. .
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 11 • gather light to make faraway objects appear larger, closer, and clearer. They gather light with mirrors lenses is a curved piece of glass. telescope lens
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  Ch.8 Lesson 6 TheSun and its Planets (Vocabulary): Solar System Planets Star Telescope lenses 12 • Check for understand ? • 1-What is a solar system? • 2-What 2 things does Earth receive from the Sun? • 3-How are the planets the same? How they are different? • 4-What causes the outer planets to be colder than the inner planets? • 5-How would life be different without telescope? • . .