Lunar Phases

What did you notice about the phases of the moon?

I noticed that phases of the moon don't really depend on the amount of sunlight shining on it, which is always the same, but it depends on where we are on the earth, and where the earth is in relation to the moon and the sun. I also noticed that the phases of the moon are constantly changing. The full moon comes back every 29.7 days, and that never changes, the phases are constant.

Why do we see different parts of the moon each night?

We see different parts of the moon each night because the earth is revolving at the same time as the moon is orbiting the earth.

What is a lunar month?
A lunar month has the length of 29.7 days. This is from one full moon to the next, as mentioned in the first question.

What are phases?

The phases of the moon are basically the different parts of the cycle that the moon goes through. They go like this:

New Moon

Waxing Crescent

First Quarter

Waxing Gibbous

Full Moon

Waning Gibbous

Last Quarter

Waning Crescent

and so on.

What causes them??
Phases are caused by the moon revolving around the earth at the same time as the earth is revolving around the sun. Also, the earth is rotating on its axis at the same time too. The way that the sun falls on the part of the moon that we see is what cause phases. This also applies to tides - they are caused by how the gravity of the moon and the sun and the earth all relate to each other.
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