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The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Do you think heat can affect a plant's growth rate?

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Make this delicious warm apple bread for Hanukkah.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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.