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!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Determine if gender affects the ability to identify different smells.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project investigates why the number of visible stars changes from place to place.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.