Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This project examines whether sugar substitutes are as sweet as real sugar.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science fair project idea compares the cuteness reaction between genders.

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?

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project idea investigates how magnetism can defy the force of gravity.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

This science fair project idea explores how far the average human can see.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

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

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This project will examine the relationship between materials and air resistance.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.