Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

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

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

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

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

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

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!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!