The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

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

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

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.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Learn all about balance and motion as your child designs a corn maze!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This experiment explores whether caffeine improves athletic performance.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

In this middle school activity, your child will learn how to press plants and create her very own herbarium, or plant library! Here's how:

Take to the air with science by experimenting with helicopter seeds right in your own backyard!