Being able to guess the likelihood of an event is a useful skill. Discuss probability with your kid as you play this fun math card game!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

These secret code activities are fun, and also provide fourth graders with great opportunities to practice language development and logical reasoning.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!