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This quiz consists of 5 multiple choice and 5 short answer questions through Part 6, Chapter 29.
Multiple Choice Questions
1. What is the current estimate of the number of species that have lived on Earth since the beginning of life on our planet?
(a) 32 trillion.
(b) 27 million.
(c) 421 thousand.
(d) 30 billion.
2. Compared to at sea level, oxygen at a few thousand feet above sea level is:
(b) More plentiful.
3. When oceanographer Jacques Piccard and a U.S. Navy sailor descended more than 35,000 feet to the deepest part of the world's oceans, what happened?
(a) The power went out in their ocean capsule.
(b) They saw the remains of a sunken ship.
(c) They startled a flat fish upon touching down.
(d) They were stranded there for days and nearly died.
4. When French physicist Henri Becquerel accidentally left a packet of uranium salts on a photographic plate, what happened?
(a) The plate rusted.
(b) The salt crystals melted into the plate.
(c) The plate became magnetic.
(d) An emission from the salts ruined the plate.
5. According to the Reverend William Buckland, the biblical reference to "in the beginning" with regards to the formation of Earth could refer to:
(a) Millions and millions of years.
(b) Myths and legends.
(c) Exactly seven days.
(d) A particular era.
Short Answer Questions
1. Vesto Slipher's work at the Lowell Observatory in Arizona led him to discover that distant stars are moving away from us, with the farthest stars moving the fastest, suggesting that the universe is:
2. Scientists eventually figured out that certain unusual rocks near Manson, Iowa, were not because of ancient volcanic activity as they first surmised, but the result of what?
3. What organisms does the author say are the most enduring inhabitants of our planet?
4. After noticing an unusual phenomenon with uranium salts and a photographic plate, Henri Becquerel asked one of his graduate students to investigate the matter. Who was this student?
5. How many elements occur naturally on Earth?
This section contains 326 words
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