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

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

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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.

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

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

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

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!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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!

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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.

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.

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

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.

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

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

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

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.

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.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

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

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

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.