Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Science fair project that examines the biodiversity of ant populations in various locations.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

This science fair project idea explores whether talking to a plant will help it grow.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science fair project collects information on the Internet about yourself and others.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.