This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This project examines whether people's taste perception is influenced by what they see.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This experiment evaluates if personality influences whether a person prefers dogs or cats.

This experiment investigates whether there are certain sounds that affect men and women differently

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

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.

Is your child a young ornithologist in the making?

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This project examines whether humans can intuitively grasp numeric values greater than three.

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

Your child will be delighted to learn about and gaze upon his favorite constellations with this set of stellar homemade placemats!

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!