Find out whether putting something on top of a plant will inhibit its growth.

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!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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?

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Find out which type of sponge holds the most water.

Discover whether a metal will expand under hot water.

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

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

This project investigates the affect of storage temperature on microwave popcorn.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

What happens when colored beams of light mix? You might be surprised.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science research project challenges students to think of more effective lobster farming methods.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This project explores ways to prevent static electrical shocks.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.