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This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Test whether plants can grow without sunlight and water.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.