Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

This project determines how much the rebound rates of tennis balls change after ten games.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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.

Get a fun science fair project idea for high school students on the basic and current information on the process of propulsion.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

This science fair project idea discovers the mechanism of laminar flow and encourages technological progress based on this concept.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!