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

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

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

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

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

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates how the shape of an object affects drag.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

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.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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 experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

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!

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

In this activity your child will create their very own marble maze!