Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.  Kevin has a hybrid car and Steve has a large truck. Which car likely pollutes less hybrid or truck?
hybrid


Water flowing over a steeper slope moves faster and causes more erosion.  Water falling down a small hill will move slower or faster?
slower


Q: In the larger container we will still have the same number of gas particles, but now they are filling a much larger space.  If Mona is comparing two containers and she knows her jelly jar is larger then her baby food jar, which one contains less space jelly jar or baby food jar?
A: baby food jar


Question: A thinner wire is more difficult for electrons to move through than a thicker wire.  If you use a thick piece of wire then electrons move easier or harder?
Answer: easier


*Question*
The closer objects are to each other, the stronger the gravitational force between them.  If Jim is playing with some objects and moving them around and he moves them closer together, the gravitational force between them increases or decreases?
**Answer**
increases


*Question*
The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.  A human who eats an animal that is high on the food chain should take in more or less toxic metals?
**Answer**
more