Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Make sourdough bread...and learn some colonial history and modern science in the process!

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project allows students to study the psychology of happiness.

This science research project challenges students to think of more effective lobster farming methods.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This easy at-home experiment is a great way to "see" science.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea compares biodiversity between drops of water.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

The purpose of this science fair project is to build a basic radio.

This science fair project idea investigates how color affects temperature.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.