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

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

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.

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.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

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

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.

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

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

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

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.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

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

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.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

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

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

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

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