Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Explore the neural and mental mechanisms at play in mental imagery.

A science scavenger hunt can be a fun way to learn about science. Test your child's knowledge of scientific terms with this science scavenger hunt.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

This fascinating science fair project explores eye color genotypes.

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

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea measures physical dexterity as a function of temperature.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.