Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Test whether plants can grow without sunlight and water.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this experiment we will be determining whether birds prefer certain colors of seed.

Discover whether a metal will expand under hot water.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!