What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Make a lei and bring a touch of the tropical lifestyle into your home!

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!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

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.

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!

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

In this science fair project, students make their own rain gauge to measure rainfall.

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

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.