This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

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

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.