Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.