Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea investigates food preference of birds.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

The Math Monster will save your second grader from repetitive math flashcards. Guessing mystery math facts is a fun way for him to polish arithmetic skills!

Have some fun with your first or second grader, looking for creative ways that 100 cents can make $1.00!

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Does the idea of taking your child to an art museum sound daunting? Create your own museum and give your child some practice with shapes!

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

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

This simple experiment serves as an introduction to the greenhouse effect.

With this fun activity, you can help your preschooler make an cute shopping notepad to keep and use or give away as a gift. Here's how:

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Make the abstract nature of time and money easier for your kid to understand with some fun ideas that focus on these concepts.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

This activity with add some fun and education to long car trips. Perfect for family vacations!