Eclipses, Lunar Phases, And Tides Flashcards
Every month, the moon makes one full _________ around the earth
One full revolution around the earth
When do eclipses occur?
What are the two types?
Eclipses occur when the shadow of the Earth or the Moon is cast onto the other body
Lunar eclipse Sun *is blocked by Earth *For the Moon
Solar Eclipse Sun *is blocked by Moon *for the Earth
What is a “new moon”?
Side light by the sun is away from the earth, therefore cannot really see it
What is a waxing crescent moon?
Waning?
Waxing gibbous - The moon is getting bigger. You are beginning to be able to see the moon
Waning gibbous - moon is almost gone
Getting smaller
What is a quarter moon?
You can see half of the moon
Can be waning or waxing
What is a waxing gibbous moon?
Waning?
Waxing -
Getting even larger
Almost fully seen
3/4
Waning -
Getting smaller
Almost full seen
3/4
What is a full moon?
Completely opposite the earth
Can see all of the moon
When is the only time during the day when you can see a full moon?
Dusk or dawn
Moon is on one horizon
Sun is on the other horizon
What are tides caused by?
The gravitational pull of the Moon and the Sun
On
Earth
Look at the picture of tides
Explain
Every 6 hours - High tides are pulled on either side by moon and sun
Every 6 hours - Low tides are retracted from less gravitational pull
When the moon and the sun are alignment what kind of tides occur?
Extreme tides
*really low *really high
Spring tides
When the moon and the Sun are pulling at perpendicular angles, what kind of tides do we get?
We get less extreme tides
Neap tides