Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Use familiar household items and decorations to turn estimation into a fun game!

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.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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 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.

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.

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

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

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.

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?