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Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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!

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.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Create a bee garden to help shelter bees in your area.

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

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?

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

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

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This clay "painting" activity encourages and supports creative development and critical thinking skills.