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.

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

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!

Learners hypothesize about and experiment with soil erosion in this hands-on 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.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

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 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.

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

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!

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

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

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?