Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this project students experiment with making music using only glasses of water.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science project teaches students to classify different shapes of leaves.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

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

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Science fair project that builds a magnetometer and demonstrate its uses.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.