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.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Use pepper and soap to discover some fun facts about the properties of water.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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!

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

In this project students experiment with making music using only glasses of water.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.