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.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Cleaning can be a chore, but not with this sudsy experiment!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

How powerful is the reaction between baking soda and vinegar? Find out here!

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Try this kooky, spooky arts and crafts activity with your preschooler: make gummy worm ice cubes!

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Your child can learn more about traditional Irish cooking this St. Patrickâs Day by making some apple barley pudding â a real tasty treat!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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

Try this simple preschool arts and crafts activity: make a plaster of Paris sculpture in a plastic sandwich bag!

Capture a bit of magic with these mesmerizing ice balloons!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.