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Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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!

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project will help students learn about non-vascular plants, such as mosses.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Determine if gender affects the ability to identify different smells.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

In this design challenge, your child will make a bottle rocket using typical household items.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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?

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.