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!

This surprisingly good glue recipe comes from common kitchen items.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

Test whether plants can grow without sunlight and water.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Think about the adaptive utility of an important aspect of our physiology.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

This experiment will examine and precisely measure the amount of sugar in various sodas.

Free science fair project idea examining how different types of water affect plant germination and growth.

The purpose of this science fair project is to build a basic radio.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

This science fair project idea produces sounds by creating vibrations using different objects.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that creates fog using bottles of hot and cold water.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Science fair project that tests whether cats have a preference for organic food.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.