the season in the northern hemisphere when it is tilted away from the sun
What is winter
100
The rise and fall of water every 12 hours
What is a tide
200
What cause the phases of the moon
What is the allingment of the sun Earth and moon
200
Mass of an object and distance between them.
What are the two factors that affect gravity of an object
200
This is the darkest part of the shadow
What is the Umbra
200
June 21
What is the summer solstice
200
The two phases of the moon that cause neap tides.
What is the first quarter and last quarter
300
We see the moon because of this.
What is the reflection of the sun off its surface
300
This causes the moon and the Earth to to pull towards eachother
What is gravity
300
A person sees a dark sky, stars and the solar corona during this eclipse
What is a total solar eclipse
300
The first day of Fall September 21
What is the fall equinox
300
The suns pulls are at right angles to the moon's pull
What is the neap tide
400
A day on the moon is the same length as the year on the moon. How long is a year and a day on the moon?
What is 27.3 days
400
Why are there high tides on oppisite sides of the Earth
One high tide forms when the moon pulls on the water nearest it
the other ond forms as the Earth is pulled towards the moon and it leaves the water behind
400
You are more likly to a total lunar eclipse than this.
What is a total solar eclipse
EXPLAIN WHY
400
The day the Earth is perpendiular to the sun and the sun is directly over head at noon time at the equator.
What is the equinox
400
The tide that is creates the greatest difference between high tide and low tide.
What is spring tides
500
The moon phases take 29.5 days but the moon rotates around the Earth in 27.3 days. Why is there a difference?
What is the Earth is moving too and the moon needs to catch up to it
500
Why are there low tides on oppisite sides of the moon
The moon is pulling Earth's water and Earth itself the remaining water in the other zones is a lot less causing low tides
500
Why don't exlipses occur every month?
Because the moons orbit it tilted so is the Earth's orbit so the moon does not pass directly into Eath's shadow and the Earth does not pass between the moons shadow
500
The day you see the sun directly over head at noon time at 23.5 degrees latitude
What is solstices
500
What causes a spring tide
What is the pull of the moon and sun at the same time during a full and new moon