When you have completed your exam and reviewed your answers, click Submit Exam. Answers will not be recorded until you hit Submit Exam. If you need to exit before completing the exam, click Cancel Exam. Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page break, so be sure that you have seen the entire question and all the answers before choosing an answer.
1. Which statement best describes the formation of diamonds?
A. Diamonds form in kimberlites under very high pressure. B. Diamonds form in talc under very low pressure. C. Diamonds form in talc under very high pressure. D. Diamonds form in kimberlites under very low pressure.
2. Climatology is a subspecialty of
A. meteorology. B. oceanography. C. environmental science. D. marine biology.
3. The five major areas of the study of Earth science are
A. astronomy, meteorology, geology, oceanography, and optometry. B. biology, physical science, chemistry, physics, and optometry. C. chemistry, geology, oceanography, optometry, and philosophy. D. astronomy, meteorology, geology, oceanography, and environmental science.
4. Which of the following is not an example of a mineral crystal shape?
A. Pyrite B. Quartz C. Kryptonite D. Calcite
5. A person's temperature is 40° C. What would it be in Kelvin?
A. 313 K B. −313 K C. 313° C D. −313° C
6. Which of the following is an example of a homogeneous mixture?
A. Zinc
B. Copper C. Bronze D. Sand
7. Please choose the answer that describes the scientific notation for 5,098,000.
A. 5.0986 B. 5.0987 C. 5.0988 D. 5.098 × 75
8. The combination of the atoms of two or more elements is known as a/an
A. base. B. compound. C. acid. D. elixir.
9. Which statement best describes the composition of magma?
A. Magma contains the same elements as Earth's crust. B. Magma is an element all its own. C. Magma