In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

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

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!

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

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.

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

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

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.

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

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!

Make a spring collage with your child to get them outside and those creative juices flowing!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

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.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

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.

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.

Create a bee garden to help shelter bees in your area.

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

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Help your child plant a "tea garden": a garden made of herbs for making teas.

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

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!