An example of a grad-school level question?
Which type of rock would most likely contain a fossil?

An example of a grad-school level question?
What is the main function of a plant stem?

An example of a grad-school level question?
Joanne wants to investigate factors that affect different patterns of the flight of bees. Which step in the scientific method must she follow before forming a hypothesis?

An example of a grad-school level question?
Erin placed her shamrock plant in a dark corner. Soon she saw that the leaves had tilted toward her window. What did the plant need most from the window?