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

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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

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

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

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!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

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

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.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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

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.

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

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This simple experiment serves as an introduction to the greenhouse effect.