This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea examines whether boys and girls differ in reflexes.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

This science project allows students to study the psychology of happiness.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this science project, the center of gravity is explored.

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

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair project examines how seeds hitchhike on animals and clothing.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Demonstrate how to tell the age of an egg without having to crack it open.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.