The Sun
The Moon
Shadows
Seasons
Misc.
100
The sun is the only ___ in the solar system
Star
100
Explain what causes the moon to be lit in the night sky.
Reflection of the sun's light
100
What causes the moon phases?
The revolution of the moon around the earth
100
What causes the seasons?
Tilt of the earth and the earth's orbit around the sun
100
Name three things that makes life possible on earth.
1. liquid water
2. breathable atmosphere
3. energy from the sun (but not too much)
200
Why do all the planets revolve around the sun?
The sun's gravity
200
When the moon is getting darker, those are the ______ phases.
Waning
200
Which moon phases is this?
Third quarter
200
Which area of the earth receives more light during the year, the northern hemisphere, or the southern hemisphere?
Neither. They receive equivalent amounts of light throughout the year.
200
The four inner planets are called the ______ planets
terrestrial
300
The sun produces energy through the process of nuclear _______
fusion
300
What is the moon's period of rotation?
27.3 days
300
Which moon phase is this?
Waxing crescent
300
Does winter begin with a solstice, or an equinox?
Solstice
300
Which Tropic is located above the equator?
Cancer
400
Why does the earth not crash into the sun?
Inertia
400
Explain how the moon was formed.
Giant-impact hypothesis. A mars-sized object crashed into earth long ago, and the resulting debris formed into the moon
400
Why do eclipses not happen every month?
The earth, moon, and sun are not always aligned in the same plane
400
Which season is it in the northern hemisphere at point 1?
Winter
400
Which tropic is located below the equator?
Capricorn
500
How hot is the core of the sun?
27,000,000 degrees fahrenheit
15,000,000 degrees celcius
500
What is the length of the moon's lunar period?
29.5 days
500
What causes the moon to appear red in a total lunar eclipse?
Earth's atmosphere scattering the shorter wavelengths of light, leaving red/orange to remain visible
500
What is the date of the autumnal equinox?
September 21
500
The South Pole is located at ____ degrees latitude/longitude.
90, latitude