Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

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

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

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Here's a science activity to help your child investigate how seeds are designed to travel.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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 child about using pumps to move water in this simple and educational preschool science activity!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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.

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

The objective of this science project is to determine the length of time for different seeds to germinate.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

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

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.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.