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Solar System

Solar System. Vocabulary. Solar System - Sun, Moon, eight planets and their moons, and smaller objects such as asteroids and comets Terrestrial Planets – closest to the sun: Mercury, Venus, Earth, and Mars Gaseous Planets – Jupiter, Saturn, Uranus, and Neptune.

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Solar System

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  1. Solar System Vocabulary

  2. Solar System - Sun, Moon, eight planets and their moons, and smaller objects such as asteroids and comets Terrestrial Planets – closest to the sun: Mercury, Venus, Earth, and Mars Gaseous Planets – Jupiter, Saturn, Uranus, and Neptune

  3. Crater– large bowl-shaped hole found in solid, rocky surfaces Rays – spoke-like patterns of ejected material that radiate outward in all directions. Gravity – a force that attracts objects towards one another Surface Gravity – the gravitational attraction between planet and the objects on its surface Mass – how much of something there is (amount of matter [or “stuff”] in an object, regardless of how much space that object takes up) Weight – how heavy something is (measure of the force of gravity on an object) Force – a push or pull on or buy an object

  4. Asteroid – metallic, rocky objects in space that orbits independently around the sun Asteroid belt – a vast doughnut-shaped ring located between the orbits of Mars and Jupiter. Comet – a mass of frozen gas, cosmic dust and ice crystals (dirty icebergs) Meteoroid – pieces of rock and metal dislodged from comets, planets, asteroids, or moons. Meteor – Bright streak of light in the night sky; the streak of light that is produced when a meteoroid burns as it enters an atmosphere. Meteorite – a meteoroid that strikes a planet, moon, or asteroid.

  5. Fossil: preserved remains of an organism from Earth’s past. Mold: impressions of soft-bodied animals are left after the animals are covered by sediment (animal decomposes leaving impression) Cast: forms when sand, minerals or other matter fill a cavity-shaped mold over time and then harden forming a replica of original organism. Strata: sequence of rock layers

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