Moon Phases
How many days does it take to complete one cycle of moon phases?
About 29 days
How many high tides and low tides occur in a 24 hour period?
Two high, Two low
How many kinds of eclipses are there?
Two
Rotation
Spinning on the axis
How many main moon phases are there?
8
How much of the Moon is observed from earth?
Half
What is the main cause of tides on Earth?
Gravity of the moon.
What is an eclipse?
When an object in space comes between an object and the Sun, it casts a shadow on the other object
Waxing
Increasing
The tides are important because?
It affects organisms in the ocean and it helps mix the ocean water (currents)
The new moon is the first moon phase. What is the second?
Waxing crescent
The part of the ocean closest to the Moon is what kind of tide?
High tide
When the Earth is between the Sun and the Moon it causes what?
Lunar Eclipse
Penumbra
The partially shaded area of a shadow
Eclipses dont happen every month because?
The tilt of the orbit
What phase comes after the full moon?
Waning gibbous
What two types of tides are there and what are they?
Spring tide-high tide and neap tides- low tides
Passing through the penumbra causes what type of eclipse?
Either a partial solar or partial lunar eclipse
Umbra
The inner part of the shadow of the Earth or Moon
Place the following phases of the moon in the correct sequence: A) Waning gibbous; B) New moon; C) Third quarter moon; (D) Waxing crescent
B, D, A, C
What are moon phases caused by?
the positions of the Sun, Moon, and Earth
- or -
Moon's orbit around Earth
What moon phases occur during neap tides & spring tides
Neap- First and third quarter
Spring- New and full moon
Total lunar eclipses occur when the Moon passes through:
Earth's Umbra
Tidal Locking
Moon revolves at the same time as it rotates
What would happen if the moon disappeared