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

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

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

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

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

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

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

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!

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

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

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

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

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

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

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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!

Learn to recognize symmetry by playing this game! The more you play, the better you'll get at recognizing this special characteristic many playing cards have.

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!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Try a new approach to working with variables and equations by playing this tic-tac-toe game with your math student.

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 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.

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

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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.

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.