Phases of the Moon
Eclipses
Seasons
Tides
Misc
100
The phase of the moon that appears following a waning crescent.
What is a new moon.
100
What is the dark shadow in an eclipse called?
The umbra
100
What is the term for when the length of day and night are equal?
Equinox
100

What has the most impact on tides?

The moon

100

What is the difference in orbit between a planet and a moon?

A moon orbits around a planet while a planet orbits around a star.

200
What is the average number of days each moon phase appears?
3.5 days
200
What is the lighter shadow in an eclipse called?
The penumbra
200

What is a solstice?

Longest (summer) or shortest (winter) day of the year
200

What causes the difference between a high tide and a low tide?

The position of the moon in relation to the Earth?

200

During Spring and Fall Equinox, how is Earth's axis tilted?

Neither towards, nor away from the sun.

300
How much of the moon is always lit by the sun?

50% or half of the moon

300

What is the relative position of planetary bodies during a lunar eclipse?

The Sun, the Earth, the Moon

300
What are the two causes of seasons?
Earth's tilt on its axis and the revolution of Earth around the sun
300

What causes the near side bulge?

The moon's gravity b/c it's close.

300

Earth is tilted on it's axis by ______ degrees.

23.5 degrees

400

What is the cause of the phases of the moon?

Earth's perspective of the moon's illuminated side as it revolves.
400

What is relative position of the planetary bodies during a solar eclipse?

The Sun, the Moon, and the Earth

400
What is the season in the northern hemisphere when it is summer in the southern hemisphere?
Winter time in the northern hemisphere
400
The "lump" of water created by the gravitational pull of the moon and the sun on the Earth
What is the tidal bulge?
400

What is it called when Earth is closest to the Sun but it is winter in the northern hemisphere?

perihelion

500

What is the difference between waxing and waning?

Waxing is when the amount of illumination seen is growing. Waning is when the amount of illumination seen is shrinking.

500
What is the moon phase when a lunar eclipse would be visible?
During a full moon
500
What is the length of each season?
Three months
500

How is the far side bulge made?

By the moon's gravity pulling a tiny bit on earth, leaving the far side water where it is due to the water's inertia.

500

What is it called when Earth is farthest from the Sun but it is summer in the northern hemisphere?

Aphelion

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