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.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

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.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

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!

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.

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

Make this delicious warm apple bread for Hanukkah.

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.

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.

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

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

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

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

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

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.