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The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Hunt for natureâs treasure, the many different products made by trees!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

Help your child make a beautiful homemade sandcastle that will last!

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Help your kindergarten science maven explore the water cycle without getting everything wet.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

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

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

Help your child celebrate the summer and the sun by making a sandy seascape.

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

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.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

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 clay "painting" activity encourages and supports creative development and critical thinking skills.

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

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!