An example of a grad-school level question?
Jonathan places a pot of water on a stove. As the water boils, how does the state of the water change?

An example of a grad-school level question?
Feathers, wings, and the hollow bones of birds are examples of

An example of a grad-school level question?
Hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) to produce a saltwater solution. What are the products of this chemical reaction?

An example of a grad-school level question?
A forest is flooded when a natural dam breaks, leaving the forest floor under two meters of water. Which animal is most affected by the flooding?