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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!

Science fair project that cultivates slime mold and monitors the stages of its development.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

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.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Science fair project that uses distillation to convert salt water into fresh water.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

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

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project idea discovers the effect of (high) heat on animal cells.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

This experiment will explore the best way to create a perfect soft-boiled egg.

This science fair project idea measures physical dexterity as a function of temperature.

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