This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, 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.

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.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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.

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.

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.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

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!

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

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Do you think heat can affect a plant's growth rate?