Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

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

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

This science fair project investigates which type of light bulbs are the best at producing flattering photographs in both flash and non-flash conditions.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This project is about after-images and what possibly affects them.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Help your child celebrate the summer and the sun by making a sandy seascape.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.