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Transcript
The Solar System Overview of Solar System Solar system: a group of objects in space that move around a central star The SUN Planets: large objects that moves around a star travel in paths called orbits around the sun Counter-clockwise How many? 8 or 9? Most have at least 1 moon (natural satellite) Some have rings Planetary Posse Video Overview of Solar System Asteroids and Comets also move around the sun Asteroids- small and rocky, made of metal and carbon, found mostly between paths of Mars and Jupiter Comets- made up of dust and ice Grouping Planets Planets divided into 2 groups Inner: Mercury, Venus, Earth, & Mars Outer: Jupiter, Saturn, Uranus, Neptune, Pluto * Separated by asteroid belt Bill Nye video clip Grouping Planets Two other ways to group planets: 1. Composition- what the they’re made of -Rocky planets: Mercury, Venus, Earth, Mars, Pluto *heavy, move slowly, no rings, few moons -Gas planets: Jupiter, Saturn, Uranus, Neptune *light, move quickly, rings, lots of moons 2. Size -Small: Mercury, Venus, Earth, Mars, Pluto -Giant: Jupiter, Saturn, Uranus, Neptune Mnemonic Device A sentence that helps us memorize a string of words Examples? Will help us remember the order of the planets from the sun out My Very Earnest Mother Just Served Us Nine Pickles Every 248 years, Neptune becomes the farthest planet for 20 years Homework 1. Create your own mnemonic device to help you remember the order of the planets from the sun out *Mnemonic Device Device 2. Copy Science Cards
