Water is polar, meaning that it has distinct ends with partial charges. ... It is adhesive to any surface with which it can form hydrogen bonds with, which is why substances containing polar molecules get "wet" when immersed in water, while those with nonpolar molecules do not. ... Only ammonia, which is more polar than water and forms very strong hydrogen bonds, has a higher specific heat than water. ... Because the surface tension of the water is greater than the force that one foot brings to bear, the strider glides atop the water, rather than sinking. ...

• Word Count: 540
• Approx Pages: 2

Bears feed on salmon to fatten up for hibernation. ... As you head towards poles, the temperature starts dropping and eventually reaches the freezing point in the polar areas. Other than the absence of sunlight for half the time of the year, the presence of icebergs in water is also responsible for the water in polar areas being freezing cold. ...

• Word Count: 1537
• Approx Pages: 6
• Grade Level: High School