The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

This simple experiment serves as an introduction to the greenhouse effect.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

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!

This project concerns activity happening millions of miles away, on the sun.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

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