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

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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.

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

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

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

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 fair project teaches students about wilting and browning of salad greens.

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.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Word color association is just a fancy way to talk about the way we connect colors with words.

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

Help your child make a beautiful homemade sandcastle that will last!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

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

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

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

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

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!

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

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!

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project idea explores how length affects the weight a bridge can hold.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!