bellwork
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Bellwork. What is the organization created by the United States government to explore space?. Tuesday March 25, 2014. Objective: SW learn about the positions and characteristics of the inner planets. Two Systems. Because of distance between them, the planets are divided in two main parts - PowerPoint PPT PresentationTRANSCRIPT
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BellworkBellworkWhat is the organization
created by the United States government to explore space?
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Tuesday March 25, 2014
• Objective: SW learn about the positions and characteristics of the inner planets.
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Two SystemsTwo Systems1.1. Because of distance between them, the planets Because of distance between them, the planets
are divided in two main partsare divided in two main parts--Inner PlanetsInner Planets and and Outer PlanetsOuter Planets
2.2. Inner PlanetsInner Planets- Mercury, Venus, Earth, and Mars Mercury, Venus, Earth, and Mars - Terrestrial planets- surfaces are Terrestrial planets- surfaces are rockyrocky and and densedense- All All differentdifferent from each other from each other
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The Inner PlanetsThe Inner Planets
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• Mercury is small and rocky. One day on Mercury is the same as 58.65 Earth days.
• The temperature gets hotter than an oven during the daytime and colder than a freezer at night.
• Mercury is the first planet in our solar system. It has a thin atmosphere.
• It is the fastest moving planet in our solar system.
• It is 57.9 million km. from the sun. 0 moons.
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-The next planet is Venus.
-It is the second planet from the sun.
-It is the hottest in our solar system. The temperature is 870 degrees Fahrenheit.
-It is 108.2 million km from the sun.
-Venus rotates very slowly. It is known as the morning star or the evening star (very visible on Jan. 29) 0 moons.
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Why is Venus Called Earth’s Why is Venus Called Earth’s Twin?Twin?
• Same Same DensityDensity and About the Same and About the Same DiameterDiameter
• Different Different RotationRotation and and TemperatureTemperature
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What are the different types of rotation?
-Prograde Rotation: is counter-clockwise, so that the Sun rises in the east and sets in the west.
-Retrograde Rotation: a few planets rotate in the opposite direction, so that the Sun rises in the west.
-The planets with retrograde rotations are Venus, Uranus, (the dwarf planet Pluto too.)
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-Earth is the third planet from the sun.
-Earth is the fifth largest planet in our solar system.
-Earth’s rotation is slowing down slightly about one second every 10 years.
-The Earth is 149.6 million km from the sun.
-We think Earth is the only planet with life.
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-Mars is the fourth planet from the sun.
-Mars’s nickname is the red planet because it has red soil.
-Mars’s soil is dry, rocky, and covered with iron-rich dust. Olympus Mons, the largest volcano in our solar system, is on Mars.
-Some people say there was a dried up river on Mars. 227.9 million km from the sun. It has two moons.
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Exit Slip
Why are the inner planets called terrestrial planets?
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Video
• http://youtu.be/qVItSWKQiuQ
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BellworkName the inner planets in order.
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Thursday March 27, 2014
• Objective: SW learn about the positions and characteristics of the outer planets.
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The Outer PlanetsThe Outer Planets
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General • Most of these Planets areMost of these Planets are
– Mostly GasMostly Gas– Massive AtmospheresMassive Atmospheres– Solid Cores due to pressureSolid Cores due to pressure– All have ringsAll have rings
• Are called the Gas Giants (but Pluto)Are called the Gas Giants (but Pluto)– Mostly made up of Hydrogen and HeliumMostly made up of Hydrogen and Helium
• Pluto is more like inner planets then outer Pluto is more like inner planets then outer planetsplanets
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-Jupiter is the fifth planet from the sun.
-Jupiter is the largest planet in our solar system. Jupiter has 63 known moons.
-It has a giant red spot which is a storm.
-Jupiter is so big that you could put every planet from our solar system in it if it were hollow.
-If you weighed 100 pounds on Earth you would weigh 254 pounds on Jupiter. Jupiter is 480,000,000 miles away from the sun.
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-Saturn is the sixth planet from the sun.
-It is the second largest planet.
-It has dozens of rings that are made of ice and rock and they can be as small as a fingernail and as big as the size of a car.
-Saturn is made out of hydrogen and helium. If there was an ocean big enough to hold Saturn it would float.
-Saturn has 60 moons.
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-Uranus is the seventh planet from the sun.
-It is the third largest planet in our solar system. It has 11 rings and 27 known moons.
-Uranus is the only planet in our solar system that spins on it’s side.
-It is the size of 14 Earths. It is 1,850,000,000 miles from the sun.
-It is a frozen planet with a molten core.
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-Neptune is the eighth planet from the sun.
-Neptune has eight narrow, faint rings in clumps.
-Neptune was the first planet whose existence was predicted mathematically.
-Neptune is over 16 times the size of Earth. A day on Neptune is 19.1 Earth hours. One year on Neptune is 164.8 Earth years. Neptune is 4,546,000,000 miles from the sun. 13 moons.
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-Pluto is now considered a dwarf planet and is no longer counted as a true planet.
-Each day on Pluto is 6.39 Earth days. A year on Pluto is 247.7 Earth years. Pluto is very cold. It can be between -396° to -378°F.
-Pluto has 3 moons, and the largest, Charon, is almost the size of Pluto.
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Exit Slip
Why are the outer planets called Gas Giants?
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Video
• http://youtu.be/ICutVnjsx1o