Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

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

Help your child practice her counting as she makes this fun and festive holiday decoration!

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.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Use this great no-bake recipe to save energy and keep cool.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

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.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

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

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!

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

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

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

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?

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

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

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

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

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