Eclipses, Lunar Phases, And Tides Flashcards Preview

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Flashcards in Eclipses, Lunar Phases, And Tides Deck (12)
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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

1

Every month, the moon makes one full _________ around the earth

One full revolution around the earth

2

What is a "new moon"?

Side light by the sun is away from the earth, therefore cannot really see it

3

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

4

What is a quarter moon?

You can see half of the moon

Can be waning or waxing

5

What is a waxing gibbous moon?

Waning?

Waxing -
Getting even larger
Almost fully seen
3/4

Waning -
Getting smaller
Almost full seen
3/4

6

What is a full moon?

Completely opposite the earth

Can see all of the moon

7

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

8

What are tides caused by?

The gravitational pull of the Moon and the Sun

On
Earth

9

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

10

When the moon and the sun are alignment what kind of tides occur?

Extreme tides
*really low *really high

Spring tides

11

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