Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Slip some science into storm watching with a homemade rain gauge!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

This science fair project investigates why the number of visible stars changes from place to place.

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

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Have your child kick off their summer vacation by making a miniature water slide!

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

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 science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.