This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project that examines condensation and the conditions needed in order for dew to form.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Create a tornado vortex in your kitchen in this 5th grade science experiment. All you need are two plastic bottles, duct tape, and a metal washer to begin.

This science fair project idea explores the different properties of matter.

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Find out whether packaged seeds actually do expire in this new science fair project idea.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Have fun making recycled paper using scraps of used paper in your home with this hands-on project.

This witches' brew recipe for kids is a cool mix of lemonade, tapioca pearl "eggs," and gummy worms. Try this witches' brew recipe for kids this Halloween.

Inspire your fifth grader to explore a new culture and determine her New Year's fortune by playing this German wax dripping game.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.