Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This project investigates the affect of storage temperature on microwave popcorn.

Introduce your child to science with something they see everyday--their shadow!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project idea explores the egg's thin membrane.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this design challenge, your child will create a parachute for a small toy using typical household items.

The objective of this science project is to determine the length of time for different seeds to germinate.

This easy at-home experiment is a great way to "see" science.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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.

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.

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.

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.