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.

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.

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

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

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

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

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

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.

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

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.

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.

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.

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

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

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

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

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 classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Allow your first grader to get his artwork outdoors this summer by letting him create a garden art box for his arts and crafts supplies.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.