Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

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

This science fair project will investigate a type of sustainable development project.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project outlines the uses of gold and explores the monetary value of gold.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

This experiment will explore the best way to create a perfect soft-boiled egg.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

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

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.