Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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

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

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.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

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.

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

Exponents can be tricky to learn. Fortunately this game provides plenty of multiplication practice for your math student!

Simplify fractions with your child in this fast-paced math card game.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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.

Here's an enjoyable at-home activity that gives your child step-by-step practice identifying the important parts of an article and organizing his ideas.

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

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!

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.

Here's a hands-on way to help your child understand how common fractions can be equivalent.

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!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.