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

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.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

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

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

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

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

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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 this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.