We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Celebrate Ramadan by creating a crescent moon and star...out of stars! This craft is the perfect way to introduce your child to an important national symbol.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Here's a simple arts and crafts activity to do with your preschooler: make a moon winder toy! All you need is a plastic lid, colored paper, twine, and glue.