Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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!

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Make edible amber fossils with your second grader to explore the fascinating world of science!

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.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.