Earth, moon, sun

Tides

• Tides- alternate rise and fall in sea level

Tides

• Cause- the gravitational pull of the moon

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

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• 1:42• http://player.discoveryeducation.com/index.cf

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• 4:00

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

Tides

Spring tides are sun, moon, earth are in a straight line

Increased gravity pull makes high tides higher, low tides lower

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

Tides

Spring tides are at points ____ and ____Neap tides are at points ____ and _____

Tides

Tides • Spring tides occur during moon phases: ___________________________________• Neap tides occur during moon phases: ____________________________________

Tides

• http://www.brainpop.com/science/earthsystem/tides/preview.weml

Moon phases

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

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• 1:56

Moon phases

• Which moon phase occurs at which point in the diagram?

• A F• B G• C• D• E

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?

Moon phase rhyme

• If the first waxing light is on the right it’s gonna get bright.

Moon phases

• http://www.havefunteaching.com/science-songs/moon-song

Seasons

• How do seasons occur?

Seasons

• What is the tilt of Earth’s axis?

Seasons

What season occurs at point:WXYZ

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

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?

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?

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.

Eclipse

Lunar

Eclipse

• solar

Video funny total solar eclipse

• http://player.discoveryeducation.com/index.cfm?guidAssetId=D0ED923A-1F3C-4A47-A3EA-9FB050A49018&blnFromSearch=1&productcode=US

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