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.

This project compares different liquids and the freezing, melting and boiling points of liquids.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

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

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.