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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Here's an innovative math puzzle that you can create with your fourth grade math student.

This game is a great way to help your child remember the names of shapes. Give it a go and before you know it, your kid will have all her shapes down pat.

Decorate with a banner made from paper, clover shapes and buttons to celebrate spring or St. Patrick's Day!

Geometric shapes can often be tough to remember. But, with a little bit of art, imagination, and writing, practicing geometry has never been so much fun!

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

Complete with the drippy, glittery shapes that make icicles so popular, this paper project can be hung everywhere from door frames to tabletops.

In this fun art exercise, kids practice seeing multiple shapes and colors inside a water-filled glass and recreate them as a still life using colored paper.

Reinforce your child’s understanding of geometry and 2D shapes while learning about the artist Mary Blair and her amazing contributions to many loved movies, books, and characters throughout her career.

Do something totally unique and new with a pumpkin this year! Practice designing patterns with stripes, zigzags, or geometric shapes. The sky's the limit!

Make some cool hearts that are sure to brighten anyone's Valentine's Day. This project is a opportunity to play with overlapping shapes and show your love!

This school year, have your child decorate his very own clip board and watch him do his homework in style!

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Enhance fourth-grade measurement making skills and social studies learning with this stitching project.

Got a jousting knight at home? Try this project and help him make his very own shield.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This art project encourages kids to look closely at their favorite animal and recreate texture, pattern and silhouette with easy to follow instructions.

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 activity teaches your third grader how to make a paper cut-out still life, in true Matisse-style.

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

Your child can make her own Mexican tin art mirror with cardboard, a mirror, and an aluminum pan.

Let your fourth grader contribute to your 4th of July picnic with this creative caddy craft project.

Have a young architect or designer on your hands? Here's an easy activity for him to learn the basics of landscape and architecture while having fun!