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Practical Earth Science

Chapter 4:1

The Solar System

Stars, Planets, and Moons

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  • Objectives
    • Explain the difference between stars, planets, and moons.
    • Identify objects of the solar system
    • Describe the sun

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My Very Elderly Mother Just Sat Upon Nine Pins

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My Very Elderly Mother Just Sat Upon Nine Pins

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

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A Star, Some Planets, Some Moons and Other Objects in Space

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Difference between a star and a planet

A star is made of hot gas and creates its own light.

A planet is an object that orbits a star and does not make its own light.

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How big is the sun compared to the planets?

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How hot is the sun compared to the earth?

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What is the sun made of compared to the earth?

The sun is made of hot gases,

Hydrogen and Helium with a small amount of other elements.

The earth is made of land, water, and air.

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How big is the earth compared to the sun?

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Solar Flares and Sun Spots

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Anatomy of the Sun

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Outer layer of the sun’s atmosphere - Corona

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Arrow Rock, MO 8/2017

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Photosphere – layer of the sun that gives off light. Contains sunspots

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Arrow Rock, MO 8/2017

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Does the sun rotate?