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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

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

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

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

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.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

I scream, you scream, we all scream for homemade spearmint ice cream!

Learn all about balance and motion as your child designs a corn maze!

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.