Earth and it’s Moon

How did it form?

The

Giant Impact Theory

The Earth and its Moon

Earth revolves around sun Moon revolves around Earth

Only known natural satellite

Isn’t it strange….

how the moon doesn’t change….but parts seem to be missing at times Picture courtesy of nasaimages.gov

Motions of the Moon

The Moon rotates on its axis Rotation – to spin Revolution – a body orbiting around

another body Same side of moon always faces

Earth because of this (near side)

Class Demonstration

Sides of Moon Near Side

What we see (always!) Mostly facing Earth because of rotation

and revolution around Earth is the same! One Revolution = One Rotation!

Far Side Dark side that we don’t see here on

Earth. Hence the term “The dark side of the moon”

Picture courtesy of pictinas.com

Three Surface Features

Craters – depressions or dips on moon’s surface Caused by metorites,

asteroids, comets Maria – latin for ‘seas’.

Dry, hardened lava Highlands – higher

elevation land on surface of moon

Phases of the Moon

Moon phases – changing appearances of the moon as seen from Earth New moon – lighted half of moon facing

away from Earth Full moon – all the moon’s surface facing

Earth is lit up

Phases of the Moon

Waxing Phase After the new moon

Waxing crescent/gibbous First quarter

Waning Phase After the full moon

Waning gibbous/crescent Third quarter

Review Video

Navigate to the website below and use the username: waukee4 and password aea11 when prompted.

Space School - The Moon Review Video

Your Responsibilities Today:

Finish/Correct Lunar Cycle Graphic Org. Complete Moon Phase Lab

Submit to the tray when finished

Be proactive in your education today, monitor yourself so that you maximize your learning & productivity

If all caught up Read pages 430-436 Answer questions 1-7

(Be complete in your answers)

Moon Websites http://tycho.usno.navy.mil/vphase.html

http://en.wikipedia.org/wiki/File:Lunar_libration_with_phase_Oct_2007_450px.gif

http://player.discoveryeducation.com/index.cfm?guidAssetID=93e4c8fd-caae-4026-b9e2-71c664d4b3bf&productCode=DSC&CFID=9682636&CFTOKEN=94925186

http://player.discoveryeducation.com/index.cfm?guidAssetID=11538c4e-29ad-4b21-8c0c-dd731e424e1a&productCode=DSC&CFID=9682636&CFTOKEN=94925186