This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This project examines whether people's taste perception is influenced by what they see.

In this science fair project, students use the streak test to tell minerals apart from each other.

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

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This science fair project idea experiments with spinning color wheels and optical illusions.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Have your child kick off their summer vacation by making a miniature water slide!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.