Our Solar System
Seasons
Lunar Phases
Eclipses
100
How long does it take Earth to complete 1 revolution?
1 year
100
What about the Earth’s axis causes us to experience seasons?
The Earth's axis is tilted
100
How many lunar phases are there?
8
100
Which celestial body can we not see during a solar eclipse?
The Sun
200
What do we call the natural satellite that orbits Earth?
The Moon
200
True or False: The Northern Hemisphere receives more sunlight than the Southern hemisphere during spring.
False
200
Fill in the blank: We see the lit up portion of the Moon from Earth because the Moon ________ sunlight as it orbits around Earth.
reflects
200
What type of eclipse is shown in the diagram?
Lunar Eclipse
300
Do planets revolve clockwise or counterclockwise around the Sun?
Counterclockwise
300
Which hemisphere is experiencing winter in the diagram?
Northern Hemisphere
300
Which lunar phase is indicated by the arrow in the diagram?
Third Quarter Moon
300
Which celestial body blocks the sunlight from reflecting off of the Moon during a lunar eclipse?
the Earth
400
What type of celestial body is the Sun?
A star
400
What imaginary line separates the Earth into the Northern and Southern Hemispheres?
The equator
400
Which lunar phase occurs when the moon is completely dark due to its position between the Sun and Earth?
New Moon
400
Is the penumbra or umbra indicated in the diagram?
Umbra
500
What force, along with gravity, creates the orbital motion of the planets around the Sun?
Inertia
500
Which quadrant is experiencing night in the summer in the diagram?
4
500
Which lunar phase term means“becoming smaller”?
Waning 
500
Why don't we see eclipses every month?
The Moon's orbit around the Earth is tiled at an angle
