- Why do you think it is important to observe the world around us?
- Which of the following hypotheses are in the correct format?
A. A propeller with large blades can propel an airplane faster than a propeller with smaller blades.
B. If Mr. Johns listens to loud music, then he will not be able to hear well after a while.
C. If the polar ice caps begin to melt, then the amount of salt in the ocean water will change.
D. Mr. Howard uses mind control on his students to help them do better on tests and quizzes.