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

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

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.

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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

This science fair project idea determines what household items are good conductors of electricity.