Help your child make a beautiful homemade sandcastle that will last!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

How powerful is the reaction between baking soda and vinegar? Find out here!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

This science fair project teaches students the differences between fruits and vegetables.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

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

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.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.