The earth's orbit is the path Earth takes as it does this around the sun.
What is revolve?
100
Mercury, Venus, Earth and Mars
What are the inner/rocky planets?
100
This planet is known as the "morning star" because it appears brightest before sunrise
What is Venus?
100
When the moon is changing from a full moon to a new moon it is called this
What is waning?
200
The amount of time it takes the moon to complete its orbit around the Earth
What is about 29 days
200
The earth is said to do this as it turns or spins on its axis.
What is rotate?
200
Jupiter, Saturn, Uranus, Neptune
What are the outer/gas planets?
200
Saturn's rings are made of up of this
What is dust, ice and rock particles?
200
When the Earth is directly between the moon and sun we are able to see the sunlight's reflection off the whole side of the moon, it is called this
What is a full moon?
300
This is what occurs as the moon orbits Earth and we see different amounts of the moon's lit surface.
What are moon phases?
300
The imaginary line that passes through the Earth's center at the North and South Pole
What is axis?
300
This former planet is now considered a "dwarf planet" because it's much smaller than all other planets and has an orbit that crosses the orbit of another planet.
What is Pluto?
300
This is the hottest planet
What is Venus?
BONUS**** Explain why! 50 points extra!
300
This is how long it takes the Earth to rotate on its axis
What is 24 hours or one day?
400
This is the term we use to describe the moon when less than one half of the moon appears to be illuminated
What is crescent?
400
The path the Earth takes around the sun.
What is an orbit?
400
This is the 6th planet from the sun
What is Saturn?
400
This is the smallest planet in our solar system
What is Mercury?
400
This is the largest body in the solar system
What is the sun?
500
If the lit side of the moon looks like the letter b, we say it is this
What is waxing?
500
This is the direction the Earth revolves around the sun
What is counter-clockwise?
500
The Earth is tilted on its axis. When a hemisphere is getting more direct sunlight, it's summer. When a hemisphere is getting less direct sunlight it is winter.
Why do we have seasons?
500
The only planet to rotate clockwise on its axis
What is Venus?
500
When our hemisphere gets the most direct sunlight, it is this