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

Have your child kick off their summer vacation by making a miniature water slide!

Make an edible play dough with your child to help her develop her sensory and motor skills.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

In this activity your child will create their very own marble maze!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Check out this cool science fair project on identifying rocks and minerals for kids.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

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

Discover how and which salt melts ice the quickest.

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.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.