This science fair project compares the abilities of men and women to understand subtle communication through body language.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Science fair project that builds a magnetometer and demonstrate its uses.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This surprisingly good glue recipe comes from common kitchen items.

Will male or female hair grow faster? Find out in this science fair project idea!

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

This science fair project idea investigates food preference of birds.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Use a dichotomous key to identify plants or animals.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.