Resources

Evaporation is the process of water transferring from a liquid to a gas and is the primary method for water to move into the atmosphere during the water cycle. Scientists believe that the earth’s ocea ...

Plants spread their seeds far and wide in the attempt to continue the survival of their species. Many of these seeds share a “hook” design that helps them cling to a passing object and plant themselve ...

Tumbling is a technique used for smoothing and polishing a rough surface on small particles. Professional rock polishers help jewelers polish stones by imitating the abrasion of rocks in nature. The n ...