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 make their own rain gauge to measure rainfall.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This science experiment tests if dog saliva can really help heal wounds.

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?