Moon Phases
Seasons
Equinoxes and Solstices
Rotation and Revolution
Sun-Earth-Moon
200
How long does it take the Moon to revolve around the Earth?
29.5 days (aka a moonth)
200
What causes seasons? (Be specific)
Earth is tilted on its axis while it revolves around the Sun.
200
What is an equinox?
When day and night are equal
200
What causes day and night?
rotation of Earth
200
What causes a lunar eclipse?
The moon being in earth's umbra (shadow)
300
Why does the moon “glow”?
It reflects light from the sun.
300
What season is it in the Southern Hemisphere during December?
Summer
300
What creates an equinox?
The sun shines on the equator
300
How long does it take for the earth to orbit around the sun?
about 365 1/4 days
300
What causes a solar eclipse?
The moon blocking the sun's light from earth.
400
What moon phase will occur next?
Waning crescent
400
Name the seasons in order.
Spring, Summer, Fall (aka Autumn), Winter.
400
When is the longest day of the year?
Summer Solstice
400
How long does earth's rotation last?
about 24 hours
400
What does the alignment have to be for a lunar eclipse to occur?
Moon-Earth-Sun
500
Name the moon phases in order from 1-8.
New moon, waxing crescent, first quarter, waxing gibbous, Full moon, waning gibbous, last/third quarter, and waning crescent.
500
Why is it necessary to add a day to the calendar every four years?
One revolution of the Earth around the sun is 365 ¼ days.
500
Define solstice.
When the sun reaches its greatest distance north or south of the equator.
500
What is earth's revolution?
When earth orbits around the sun
500
What does the alignment have to be for a solar eclipse to occur?
Earth-Moon-Sun
600
Is waxing brighter or waning?
Waxing
600
If it is Summer in the Northern Hemisphere then what season is it in the Southern Hemisphere?
Winter
600
Can a solstice be on the same day as an equinox?
No
600
What are the reasons for the seasons?
Earth's tilt and revolution.
600
What is the difference between a partial and total lunar eclipse?
A total lunar eclipse occurs when the Moon and Sun are on opposite sides of Earth. A partial lunar eclipse happens when only part of Earth's shadow covers the Moon