Earth/Sun
Seasons
Moon
Eclipses
Tides
100
This causes day and night.
What is earth's rotation
100
length of daytime and nighttime are about the same
What is equinox
100
29.5 days
What is the amount of days in the moon's cycle
100
the darkest part of the moon's shadow
What is the umbra
100
the rise and fall of water, every 12.5 hours or so
What are tides
200
Imaginary line that passes through Earth's center and the north and South pole
What is axis
200

Season in the Northern Hemisphere when the north end of Earth's axis is tilted toward the sun.

What is summer

200
You see the lighted side of the moon
What is full moon
200

the larger part of the shadow that is not as dark

What is the penumbra

200
tides occur because of this pull of the moon and Earth toward each other
What is gravity
300
Earth's path as it revolves around the sun
What is orbit
300
The season when neither the northern or southern hemisphere is tilted toward the sun
What is fall and spring
300
Earth's closest neighbor
What is the moon
300

occurs when Earth is directly between the moon and the sun and perfectly aligned

What is lunar eclipse

300
This is the highest high tides and the lowest low tide
What is spring tide
400
24 hours
The amount of time it takes the Earth to rotate once on its axis.
400

Two days of each year when the noon sun is overhead the most and the least amount of time.

What is the solstice

400
you see less than half of the lighted side of the moon
What is crescent
400

Occurs when the moon passes between Earth and the sun, blocking the sunlight from reaching a part of the Earth.

What is solar eclipse

400

a tide with the smallest range of distance between low and high tide

What is neap tide

500
365 days
What is the amount of time for a revolution around the sun
500

Season in the Northern Hemisphere when the north end of Earth's axis is tilted the most away from the sun.

What is winter

500
You see more than half of the right side of the moon as it grows
What is waxing gibbous
500
occurs at a full moon
What is lunar eclipse
500
Neap tides occur during these moon phases
What are first and third quarter moon
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