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.

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.

In this science fair project, students examine how temperature affects sugar transport within a plant.

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

This experiment will explore the best way to create a perfect soft-boiled egg.

Here's a fun math-oriented arts and crafts activity for your preschool or kindergarten child: create a gumdrop topiary and practice counting along the way.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

This project examines how temperature affects the volume of gas in balloons.

If your 2nd grade child asks for time often, encourage him to read time on his own by talking about time throughout the day.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Can cells be frozen? This science fair project provides information to answer this question.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Tackle both boredom and mathematics with this inventive arts and craft project!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Determine whether the application of Febreeze will lower the bacterial count.

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

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.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

In this preschool counting game, kids learn to count with their fingers, but without their eyes!

Make this paper chain calendar and give your child a visual reminder of the passing of time.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This project compares different liquids and the freezing, melting and boiling points of liquids.

This experiment investigates if stress alters body temperature.