1. Watch the following video and answer the questions:
a) Why is water so useful in regulating body temperature?
b) What two factors have the largest influences on recommended water intake?
c) What long-term health risks may be influenced by hydration?
2. Watch the following video and answer the questions:
a) How many bonds does carbon want to form?
b) In what major way does the shape/structure of a carbon with 2 or 3 bonds differ from one with 4 bonds?
c) How can pencil graphite be easily broken, while diamond is incredibly strong, yet both materials are made entirely out of carbon atoms?