earth, moon, sun. tides tides- alternate rise and fall in sea level
TRANSCRIPT
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Earth, moon, sun
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Tides
• Tides- alternate rise and fall in sea level
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Tides
• Cause- the gravitational pull of the moon
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tides
• http://player.discoveryeducation.com/index.cfm?guidAssetId=7A1E5337-20A5-435E-AD36-E07CB73A93AC&blnFromSearch=1&productcode=US
• 5:04• http://player.discoveryeducation.com/index.cf
m?guidAssetId=DF48EA8B-0872-4CB0-8C7E-F388D5E415B3&blnFromSearch=1&productcode=US
• 1:42• http://player.discoveryeducation.com/index.cf
m?guidAssetId=1D050D7C-C8E5-4703-91E8-3D17EE231387&blnFromSearch=1&productcode=US
• 4:00
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Tides
• How frequent are tides?• Usually 2 high tides a day and 2 low tides a
day• High tides every 12 hours• Low tides every 12 hours
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Tides
Spring tides are sun, moon, earth are in a straight line
Increased gravity pull makes high tides higher, low tides lower
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Tides
Neap tides are the sun, moon, and earth form right angle
Sun is competing with moon for gravity pullHigh tides are lower, low tides higher
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Tides
Spring tides are at points ____ and ____Neap tides are at points ____ and _____
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Tides
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Tides • Spring tides occur during moon phases: ___________________________________• Neap tides occur during moon phases: ____________________________________
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Tides
• http://www.brainpop.com/science/earthsystem/tides/preview.weml
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Moon phases
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Moon phases
• Movement of the moon http://player.discoveryeducation.com/index.cfm?guidAssetId=DF48EA8B-0872-4CB0-8C7E-F388D5E415B3&blnFromSearch=1&productcode=US
• 2:30• Moon phases• http://player.discoveryeducation.com/index.cfm?guidA
ssetId=DF48EA8B-0872-4CB0-8C7E-F388D5E415B3&blnFromSearch=1&productcode=US
• 4:09• Moon phases• http://player.discoveryeducation.com/index.cfm?guidA
ssetId=1D050D7C-C8E5-4703-91E8-3D17EE231387&blnFromSearch=1&productcode=US
• 1:56
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Moon phases
• Which moon phase occurs at which point in the diagram?
• A F• B G• C• D• E
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Moon phases
• Where does the moon’s light come from?
• How long does it take the moon to make one complete cycle (revolution around the earth?
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Moon phase rhyme
• If the first waxing light is on the right it’s gonna get bright.
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Moon phases
• http://www.havefunteaching.com/science-songs/moon-song
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Seasons
• How do seasons occur?
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Seasons
• What is the tilt of Earth’s axis?
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Seasons
What season occurs at point:WXYZ
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Seasons
• http://www.brainpop.com/science/earthsystem/solsticeandequinox/preview.weml
• Reason for the seasons 26:00• http://player.discoveryeducation.com/index.cf
m?guidAssetId=48E066E2-9007-4ABD-96D8-C5149B2E69AC&blnFromSearch=1&productcode=US
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Rotation of the Earth
• Define rotation: spinning of Earth around its axis• Draw rotation:
• How long does it take for the Earth to make one rotation?
• What does this cause?
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Revolution of the Earth
• Define revolution: Movement of Earth around the sun
• Draw revolution:
• How long does it take for the Earth to make one revolution around the sun?
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Eclipse
• Lunar eclipse-Earth is between sun and moon; full moon phase
• Solar eclipse-moon moves between sun and Earth and blocks sunlight; new moon phase
• Label which diagram shows lunar and which is solar eclipse.
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Eclipse
Lunar
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Eclipse
• solar
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Video funny total solar eclipse
• http://player.discoveryeducation.com/index.cfm?guidAssetId=D0ED923A-1F3C-4A47-A3EA-9FB050A49018&blnFromSearch=1&productcode=US
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Eclipse
• http://www.brainpop.com/science/space/eclipse/
http://player.discoveryeducation.com/index.cfm?guidAssetId=1D050D7C-C8E5-4703-91E8-3D17EE231387&blnFromSearch=1&productcode=US1:37
All about eclipses 6:00
http://player.discoveryeducation.com/index.cfm?guidAssetId=B0E353BB-ACD7-4D92-92C9-DBCFB84105B0&blnFromSearch=1&productcode=US
http://player.discoveryeducation.com/index.cfm?guidAssetId=BE30220E-C4F3-4337-A9DE-4FA9F3B20547&blnFromSearch=1&productcode=USA total eclipse of the sun 2:50