An example of a grad-school level question?
In a lab investigation, a student notes that two metal blocks have the same mass. Based on this observation, if the two blocks were put on opposite sides of a balance, they would best represent

An example of a grad-school level question?
If a wooded area is cleared and corn is planted, what will MOST likely happen?

An example of a grad-school level question?
Which list is correctly ordered from smallest to largest?

An example of a grad-school level question?
If a tall tree falls over in a crowded forest, which resource becomes available to the surrounding plants?