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BELL WORK • What do you know about the planets in our solar system? • Download today’s keynote http://tinyurl.com/zm2lzwa THE PLANETS All time and distances in Earth calculations Objective: I can explain the relationship among common objects in the solar system, galaxy, and the universe. Essential question: What are the similarities and differences of the characteristics of our planets? DENSITY This is a graduated cylinder with different liquids that have different densities. The more dense being on the bottom and the least dense being on the top. It depends on the density of the liquid whether it is will float or sink. Water’s density is about 1g/cm3 SUN • Distance from nearest planet: •Distance from sun: •Size: 865,000 miles •Number of moon: 0 •Number of rings: 0 • Surface structure: Gaseous •100 times the Earth’s diameter SUN •Average temperature:10,000F center 25,000,000F •Density:1.4 g/cm3 •Atmosphere: ball of gases •Rotation(what direction does it spin): counter clockwise •Rotation(spin on its axis—how long): N/A •Revolution(orbit around the sun): N/A INNER PLANETS • The 4 planets closest to the sun •Inside the asteroid belt • All Rocky/Terrestrial MERCURY • Distance to the nearest planet: • Distance from sun: 35,983,095 miles • Size(diameter): 3,032 miles • Number of moons: 0 •Number of rings: 0 • Surface Structure: Rocky/terrestrial MERCURY •Temperature: 840 F on the side facing sun, 100s below freezing away from sun • Density: 5.427 g/cm3 •Atmosphere: Hydrogen and helium • Rotation(what direction does it spin): counter clockwise •Rotation(spin on its axis—how long): 1,407 hour and 30 minutes Earth time—58.646 Earth day •Revolution(orbit around the sun): 88 Earth days IN YOUR NOTEBOOKS •Why is there such a difference in the temperature of Mercury? Explain. VENUS •Distance from nearest planet:31,248,757 miles •Distance from sun: 67, 232, 360 miles •Size: 7,521 miles •Number of moon: 0 •Number of rings: 0 •Surface structure: Rocky/terrestrial VENUS •Temperature: The thick atmosphere traps the sun's heat, resulting in surface temperatures over 880 F •Density: 67 kg/m3 •Atmosphere: carbon dioxide and clouds of sulfuric acid •Rotation(what direction does it spin): clockwise • Rotation(spin on its axis—how long): 243 Earth days •Revolution(orbit around the sun): 225 Earth days long BELL WORK •Explain why there are extreme temperature differences on Mercury and what three things make Venus so unique. EARTH •Distance from nearest planet: 25,724,767 miles •Distance from sun: 93,000,000 miles • Size: 7, 926 miles • Number of moons: 1 • Number of rings: 0 • Surface structure: Rocky/ Terrestrial EARTH •Average Temperature: 45F •Density: 5.51g/cm3 •Atmosphere: nitrogen, oxygen, argon •Rotation(What direction does it spin): counter clockwise •Rotation(spin on its axis—how long): 23hr 56minutes •Revolution(orbit around the sun): 365.3 days IN YOUR NOTEBOOKS •Is there a temperature difference between Venus and Earth? •Why/why not? MARS •Distance from the nearest planet:78,340,000 miles •Distance from sun: 141, 635, 300 miles •Size: 4, 222 miles •Number of moons: 2 •Number of rings: 0 •Surface structure: Rocky/Terrestrial MARS •Average temperature: -82F •Density: 3.93 g/cm3 •Atmosphere: carbon dioxide, nitrogen •Rotation(what direction does it spin): counter clockwise •Rotation(spin on its axis—how long): 24hr 37mins •Revolution(orbit around the sun): 686.98days IN YOUR NOTEBOOKS • What do all four of the inner planets have in common? BELL WORK Answer on Bell work paper: What is the most unique characteristic about Venus? OUTER PLANETS •Called “gas giants” because they are made of mostly gases. •Outside the Asteroid Belt •Much colder JUPITER • Distance from nearest planet: 342,012,346 miles •Distance from sun: 483, 632, 000 miles •Size: 88, 846 miles •Number of moons: 67 •Number of rings: 4 • Surface structure: Gaseous JUPITER • Average temperature: -244F • Density: 1.33 g/cm3 • Atmosphere: helium, hydrogen • Rotation(what direction does it spin): counter clockwise • Rotation(spin on its axis—how long): 9hours 55 mins • Revolution(orbit around the sun): 4,332.59 days IN YOUR NOTEBOOKS •How does the size of Mars compare to the size of Jupiter? SATURN •Distance from nearest planet: 401,592,178 miles • Distance from sun: 888,188,000 miles •Size: 74, 898 miles •Number of moons: 62 •Number of rings: several hundred thin rings •Surface structure: gaseous SATURN • Average temperature: -300F • Density: .687g/cm3 •Atmosphere: hydrogen, helium, methane •Rotation(what direction does it spin): counter clockwise •Rotation(spin on its axis—how long): 10hrs 13mins • Revolution(orbit around the sun): 84.3 years IN YOUR NOTEBOOKS • What is significant(stands out) about the density of Saturn and the density of water? • If we could put Saturn in a tub of water would it float or sink? Why? URANUS • Distance from nearest planet:900,377,530 miles •Distance from sun: 1, 783, 950, 000 miles •Size: 31, 763 miles •Number of moons: 27 •Number of rings: 13 • Surface structure: gaseous URANUS • Average temperature: -300F • Density: 1.27g/cm3 •Atmosphere: ammonia, water, methane •Rotation(what direction does it spin): titled at a 90 degree angle •42 Earth years of day and 42 Earth years of nights because of the tilt • Rotation(spin on its axis—how long): 17hrs 14mins •Revolution(orbit around the sun): 84.3 years IN YOUR NOTEBOOKS • Why does Uranus have 42 years each of day and night? NEPTUNE •Distance from nearest planet: 1,011,297,430 miles •Distance from sun: 2,798,842,000 miles • Size: 30, 778 miles •Number of moons: 14 •Number of rings: 6 •Surface structure: gaseous NEPTUNE • Average temperature: -370 • Density: 1.638 g/cm3 •Atmosphere: hydrogen, helium • Rotation(what direction does it spin): counter clockwise • Rotation(spin on its axis—how long): 16hrs 17 mins •Revolution(orbit around the sun): 60,190 days IN YOUR NOTEBOOKS • Look at the time it takes for Neptune to orbit around the Sun. • What is the reason for the amount of time it takes to orbit the sun? HOW BIG IS OUR SOLAR SYSTEM?