Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Learn how different types of soil affect how animal tracks form in this experiment!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

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.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.