Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

In this science fair project, students test how objects float and sink in liquids of different densities.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Make these homemade shell fossils and introduce your child to the wonders of science!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Trick your eye with this easy-to-make animation flip book! It's a fun way to learn about persistence of vision and is creative enough to entertain anyone.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

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

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.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

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

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

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.