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

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Construct batteries that make electricity from fruits with this fun science fair project.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Science fair project that determines whether brain size is correlated with intelligence.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

This science fair project idea raises awareness of a real ecological issue.

Science fair project that determines how we can change potential energy into kinetic energy.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Use a dichotomous key to identify plants or animals.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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.

Cleaning can be a chore, but not with this sudsy experiment!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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!

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