The phase of the moon when the people on Earth see the whole lit side.
What is a full moon?
100
The time the Earth takes to orbit the sun.
What is a year (365.25 days)?
100
Shipping, fishing, flooding, ...
What are the reasons that tides are important for life in Alaska?
100
Especially large tidal range.
What are spring tides?
100
Especially weak tides
What are neap tides?
200
The phase of the moon when the moon is between the Earth and the sun.
What is a new moon
200
The amount of time it takes for Earth to rotate once on its axis.
What is one day (24 hours)?
200
The reason that the tide cycle is approximately 50 minutes later each day.
What is
the Earth needs to complete more than one rotation to put the same location under the Moon (because the Moon orbits Earth in the same direction that the Earth rotates on its axis).
200
Full and New Moons.
What are the moon phases during spring tides?
200
The smallest tidal range.
What is tidal range during neap tides?
300
A phase of the moon where the right half is lit and the left half is in shadow.
What is a first quarter?
300
The amount of time it takes a point on the Earth to rotate fully around on its axis and be directly under the Moon the next day?
What is 24 hours and 50 minutes
300
An incoming tidal current meets a current moving in the other direction.
What is a bore tide?
300
Aurthor of the Universal Law of Gravity.
Who is Sir Isaac Newton?
300
Usual number of Neap tides per month.
What is two?
400
The phase of the moon where the right half is in shadow and the left side is illuminated/
What is third (or last) quarter moon?
400
The amount of time it takes for the Moon to complete a phase cycle.
What is 29.5 days?
400
Every 6 hours and 12 minutes.
How often do tides change?
400
new moon and full moon.
During what moon phase(s) do spring tides occur?
400
1st quarter and last (3rd) quarter.
During what moon phase(s) do spring neap occur?
500
How you can draw the moon phases properly.
Draw the moon in each position as viewed from above (1/2 facing the sun is always illuminated). Then view each phase from Earth's perspective to determine which side will be shadowy or lit.
500
The amount of time it takes the moon to revolve around the Earth.
What is 27.3 days
500
Directly under and opposite the moon.
How does the moon effect the location of high tide bulges?
500
Lined up
How are the sun, earth and moon lined up during spring tides?
500
90 degree angle
How are the sun, earth and moon lined up during neap tides?