This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This science fair project idea explores whether talking to a plant will help it grow.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Help your child learn about animal classification with this fun and delicious activity.

In this project, a mnemonic is used to test how it increases memory.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.