In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Start your toy engines -- this is going to be a fast and friction-filled race!