How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

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

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

Determine if gender affects the ability to identify different smells.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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.

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

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.