In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Science fair project that determines whether mass and weight are the same or different.

This science fair project teaches students about wilting and browning of salad greens.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

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

In this experiment we will be determining whether birds prefer certain colors of seed.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Discover how and which salt melts ice the quickest.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!