Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

Have your child kick off their summer vacation by making a miniature water slide!

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Determine which material produces the strongest static charge.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

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

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Using a toy race car kids create a visual model of the Doppler Effect.

The goal of this project is to create an exciting topographical map out of dough.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.