Memory Game SSU - Solar System UnitOnline version VOCAB by Marvin Miller Mercury Earth Venus 2nd planet from the sun. Hard rocky surface. Covered with poisonous gas. Brightest planet, Hottest planet Center of our galaxy. Planets orbit the sun. Very strong gravitational pull, 98% of matter in the galaxy 4th planet from the sun. Hard rocky surface. Red dirt. Huge, powerful dust storms. Planet closest to sun. Hard Rocky surface. No atmosphere. No weather Mars 3rd planet from the sun. 75% covered with water. Oxygen in atmosphere Moon Round like the planets, Orbit a planet not the sun, some planets have no moons, Some planets have lots of moons SUN Large group of ice, dust, and rocks, orbit the sun, have tail made of gas 7th planet from the sun. Huge ball of gas. Mainly frozen. Tilted. Spins on its side. 6th planet. Lightest planet. Rings made of rocks and ice. Huge ball of gas, solid core. 5th planet from the sun. Largest planet. Huge ball of gas. Solid core. Large red spot is a big storm Neptune Meteor Uranus Asteroid Saturn Dwarf planet. Used to be 9th planet from sun. Jupiter Comet 8th planet from the sun, Huge ball of gas. Almost competely frozen. Spins very slowly Pluto Large chunk of rock or metal, orbits around the sun. Lumpy, not round. Tumble as they orbit. Smaller chunks of rock that have broken off a asteroid or comet. Can get pulled into a plane'ts orbit. burn up when enter Earths Atmosphere. Falling star
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