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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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.

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.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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 is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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?

Will the shape of an ice cube impact how fast the ice melts?

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

This classic children's game demonstrates how sound travels through air vs. through a solid.