Unique Water Molecules

Reading this article introduces you to the fact that water and water molecules are unique. You learn why surface tension occurs on the molecular level and some pretty interesting results du... See More

Reading this article introduces you to the fact that water and water molecules are unique. You learn why surface tension occurs on the molecular level and some pretty interesting results due to this phenomenon. You might even pick up a trick or two to astound your students by simply following the helpful diagrams and reading the whole story behind surface tension.

Surface tension

Robertson provides several activities that demonstrate surface tension. I’ve used the activities with my middle school students and they always leave the room scratching their heads. Withi... See More

Robertson provides several activities that demonstrate surface tension. I’ve used the activities with my middle school students and they always leave the room scratching their heads. Within the article is an explanation of the structure of a water molecule. My students loved the boat investigation and were able to explain the system involved in making the boat move.