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Get Microsoft Mouse MischiefDownload and Install Restart PowerPointCreatePlay Slide ShowTo play a multiple-mouse slide show (such as this file), click the Play Slide Show button. After installation is complete, restart PowerPoint. Use the Mouse Mischief features on the Multiple-Mouse tab. READ THIS SLIDE FIRST (This is a hidden slide and will not appear in the slide show)1234

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Planets of the Solar System

The inner planets are mostly rock and metal.

MercuryVenusEarthMarsThe outer planets are mostly gas and dust.

Jupiter SaturnUranusNeptune

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78A planet is any body in orbit around the Sun that has enough gravity to form a sphere and that has cleared the neighborhood near its orbit of smaller objects.

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The Sun

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The planets that are made of gas and dust are much bigger than the planets that are made of rock and metal.

EarthJupiterUranus

Which of the following planets is mostly rock and metal?SaturnUranusMars

Saturn is made of gas and dust. Do you think it would be bigger or smaller than Mars?Bigger than MarsSmaller than Mars

Match each planet name to the diagram.

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Mercury SaturnVenusNeptuneEarthMarsUranusJupiter

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What is Neptune mostly made out of?Metal and RockDust and Gas

Astronomers are planning to define a new type of planet.This new type is a plutoid or dwarf planet.Plutoids are not big enough to clear their path of other objects.Pluto is a plutoid. So are Ceres, Eris, Makemake, and Haumea.

Pluto is in orbit around the sun, but it has a smaller object in its immediate neighborhood. Is it a planet?YesNoYes, but its a dwarf planet