add to “classroom procedures” write this on your paper: explain why it is necessary to have...

Add to “Classroom Add to “Classroom Procedures”Procedures”

Write this on your paper: Write this on your paper: Explain why Explain why it is necessary to have procedures it is necessary to have procedures for appropriate times to talk in for appropriate times to talk in the classroomthe classroom. .

Then write your complete and Then write your complete and thoughtful answer – be prepared to thoughtful answer – be prepared to discuss.discuss.

The Phases The Phases of the Moonof the Moon

The MoonThe Moon As we look at the moon from earth, it As we look at the moon from earth, it

appears to go through phases…the amount appears to go through phases…the amount of the moon that we see changes over time.of the moon that we see changes over time.

The lunar cycle (phases of the moon) occurs The lunar cycle (phases of the moon) occurs as the moon orbits the earth and lasts about as the moon orbits the earth and lasts about a month…between 27.3 days and 29.5 days.a month…between 27.3 days and 29.5 days.

The moon’s orbit around earth has an The moon’s orbit around earth has an elliptical shape.elliptical shape.

The amount of the moon that we see The amount of the moon that we see depends on the location of the sun, moon depends on the location of the sun, moon and earth in relationship to each other.and earth in relationship to each other.

The MoonThe Moon No matter where the moon is, half of it is always No matter where the moon is, half of it is always

lit by the sun…even if we don’t see any of the lit by the sun…even if we don’t see any of the light.light.

Use the diagram to answer these

questions:

1. At #1 do we see the dark or light side of the moon?

2. As you move from #1 to #5, do we see more or less of the light side of the moon?

3. At #5 do we see the light or dark side of the moon?

4. As you move from #5 to #8, do we see more or less of the light side of the moon?

DARK

MORE

LIGHT

LESS

Do we always see the same

side of the

moon?

YES!!Because the moon rotates as it orbits

the earth…

Terms to KnowTerms to KnowThe The PHASES OF THE MOONPHASES OF THE MOON are the are the

different appearances of the moon due to different appearances of the moon due to its changing position.its changing position.

NEW MOONNEW MOON: occurs when the lighted part : occurs when the lighted part of the moon faces the sunof the moon faces the sun

FIRST QUARTER MOONFIRST QUARTER MOON: from earth, the right : from earth, the right half of the moon appears to be lightedhalf of the moon appears to be lighted

FULL MOONFULL MOON: occurs when the lighted part of : occurs when the lighted part of the moon faces the earththe moon faces the earth

THIRD QUARTER MOONTHIRD QUARTER MOON: from earth, the left : from earth, the left half of the moon appears to be lightedhalf of the moon appears to be lighted

New MoonNew Moon

The New Moon lies between the The New Moon lies between the Earth and the Sun because the sunlit Earth and the Sun because the sunlit side of the Moon is away from the side of the Moon is away from the Earth. The New Moon is invisible to Earth. The New Moon is invisible to us.us.http://co-ops.nos.noaa.gov/astronomical.shtml

First QuarterFirst Quarter

The Moon has now completed a The Moon has now completed a quarter of its orbit and appears to us quarter of its orbit and appears to us as a half circle.as a half circle.

http://co-ops.nos.noaa.gov/astronomical.shtml

Full MoonFull Moon

The Moon reaches the second The Moon reaches the second quarter of its orbit. The quarter of its orbit. The entire daylight side is visible entire daylight side is visible and appears to us as a circle.and appears to us as a circle.

http://co-ops.nos.noaa.gov/astronomical.shtml

Last QuarterLast Quarter

The Moon reaches the third quarter The Moon reaches the third quarter of its orbit and appears as a of its orbit and appears as a backwards “D”.backwards “D”.

http://co-ops.nos.noaa.gov/astronomical.shtml

More TermsMore TermsWAXINGWAXING: the sunlight side that we see from : the sunlight side that we see from

earth is “growing”…light is being addedearth is “growing”…light is being added

******This occurs as the moon changes from aThis occurs as the moon changes from a NEW MOON to a FULL MOON.NEW MOON to a FULL MOON.

WANINGWANING: the sunlight side that we see is : the sunlight side that we see is “shrinking”…light is being taken away“shrinking”…light is being taken away

******This occurs as the moon changes from aThis occurs as the moon changes from a FULL MOON back to a NEW MOONFULL MOON back to a NEW MOON

An easy way to An easy way to remember it…remember it…

When you wax your car…When you wax your car…wax is being wax is being ADDEDADDED to to

your car.your car.

When the When the moon is waxingmoon is waxing …the light that we see is …the light that we see is

being being ADDEDADDED to the to the surface of the moon.surface of the moon.

Use the diagram to answer the following Use the diagram to answer the following questions:questions:

1.1. What number represents a new moon? What number represents a new moon? #1#1

2.2. What number represents a full moon?What number represents a full moon? #5#5

3.3. What numbers represent a waxing moon?What numbers represent a waxing moon? #2 through #5#2 through #5

4.4. What numbers represent a waning moon?What numbers represent a waning moon? #5 through #8#5 through #8

FULL

MOON

WANING<<<<<<<<<<<<<<<

WAXING<<<<<<<<<<<<<<<

Lunar Cycle Ends Lunar Cycle Begins

Moon CycleMoon Cycle

Interesting Fact…Interesting Fact…

Did you know the phrase Did you know the phrase “once in a blue moon” “once in a blue moon” can actually be true…can actually be true…

When 2 full moons occur When 2 full moons occur during the same during the same

calendar month, the calendar month, the second full moon is second full moon is called a blue moon.called a blue moon.

Revolution of the MoonRevolution of the Moon

The The MoonMoon revolves revolves around the around the EarthEarth The The Earth Earth revolves around the revolves around the SunSun The Lunar (moon) Phases start over The Lunar (moon) Phases start over

every 27.3 days.every 27.3 days.

As this occurs, some of the sun’s As this occurs, some of the sun’s light is blocked by the moon’s light is blocked by the moon’s

shadow or by the Earth’s shadow shadow or by the Earth’s shadow giving us our moon’s different giving us our moon’s different

phases.phases.http://co-ops.nos.noaa.gov/astronomical.shtml

The “Light” of the MoonThe “Light” of the Moon

The Moon does not generate any The Moon does not generate any light itself; it just reflects the light of light itself; it just reflects the light of the Sun. the Sun.

http://co-ops.nos.noaa.gov/astronomical.shtml

GIBBOUS MOONGIBBOUS MOONA gibbous moon is between a full A gibbous moon is between a full moon and a half moon, or between a moon and a half moon, or between a half moon and a full moon. half moon and a full moon.

CRESCENT MOONA crescent moon is part way between a half moon and a new moon, or between a new moon and a half moon.