Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Test whether plants can grow without sunlight and water.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.