(other metals that fit this criteria also count)
The Celsius Scale is based on the states of matter changes of this molecule.
What is water?
These are train-like amusement park rides that use the properties of energy conversion to create extremely fast and fun experiences.
What are roller coasters?
This is the common name for the food/sugar produced by plants via photosynthesis.
What is glucose?
Often confused with a food web, this type of chart provides a similar purpose, however on a different scale.
What is a food chain?
These are crystalline carbon minerals that are mined in countries, often centered in Africa, that are controlled by the companies mining them.
What are blood diamonds?