Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

Determine whether the relationship between a personâs armspan and height are genetic.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project idea demonstrates sonar mapping of the ocean floor.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

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.

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