This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

In this science fair project, students create their own miniature salt flats at home.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

In this science project, the center of gravity is explored.

In this project, waves of vibrations are experimented with using water in glasses.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

This science fair project idea investigates whether air has mass and weight.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.