Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

In this project, the affects of vitamin E are observed on a rose petal.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This experiment explores whether caffeine improves athletic performance.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

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

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Discover whether people can distinguish what a person looks like just by listening to their voice.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

This science project establishes a "breakability index" - basically to assess how much damage is done in different circumstances.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project idea examines liquids of different densities.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

This science fair project idea investigates whether plants can survive being frozen.