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Determine whether the application of Febreeze will lower the bacterial count.

This Hanukkah countdown craft will help your little one count the eight nights of Hanukkah. Make a Hanukkah countdown calendar with your child.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Weave a unique ribbon pattern! This fun arts and crafts activity is a great way to make colorful projects and learn basic math and art skills.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Work on division with remainders in this fun fourth grade math board game.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

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

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

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

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.