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

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

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.

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.

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

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.

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

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

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

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

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

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.