A student was asked the question, What are the major components of the Milankovitch cycle? The student answered, The important components of the Milankovitch cycle are variations in Earths orbit from nearly circular to elliptical, changes in the tilt of Earths axis of rotation, and variations in solar output due to sunspots. How would you rate this answer?
a. EXCELLENT: The student completely and correctly answered the question.
b. VERY GOOD: The students answer was complete, but included an additional component that was incorrect.
c. GOOD: The students answer was incomplete by one component and included a component that was incorrect.
d. FAIR: The students answer was incomplete by two components or included two components that were incorrect.
e. POOR: The students answer was incomplete by more than two components or included more than two incorrect components.
Question 2
Which best represents the thickness of Earths atmosphere?
a. The peel of an orange
b. The rind of a watermelon
c. A piece of paper on a basketball
d. A human hair on a basketball
e. A single cell of skin on a basketball
Components of Bone
The Sunspot Cycle
Major muscles of the arm.
Major Structures of the Human Brain
economic question (having trouble)
Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations