The following are examples of the ways students and adults misconceive of science. One horsepower is the amount of energy it takes to drag a horse 500 feet in one second. Water freezes at 32 degrees and boils at 212 degrees. There are 180 degrees between freezing and boiling because there are 180 degrees between north and south. Many dead animals in the past changed to fossils while others preferred to be oil.
Vacuums are nothings.
We only mention them to let them know we know they're there. What you give a person when they are going away. The law of gravity says no fair jumping up without coming back down. A large, empty space where the pope lives. When people run around and around in circles we say they are crazy.