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

Use this great no-bake recipe to save energy and keep cool.

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

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

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!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

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

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

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

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

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.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.