This science project teaches students to classify different shapes of leaves.

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

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea examines the reason boats are shaped and engineered.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

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

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Create a self-portrait from natural materials in this collage craft activity!

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

This biodiversity project examines the biodiversity in your own backyard.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

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!

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.