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In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.