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14 Cards in this Set
- Front
- Back
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Which planet did the U.S. space probe Mariner 4 fly by?
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Mariner 4 flew by Mars and sent back the first photographs of the planet in July 1965.
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What is the loudest animal on Earth?
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The call of the blue whale can reach levels of up to 188 decibels, making it the loudest animal on Earth. For comparison, human screams are in the range of 70 decibels and jet engines roar at about 140 decibels.
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zeptogram?
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10-21 gram
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Who was the first American woman to travel to space?
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Sally Ride became the first American woman astronaut in 1983
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What is the surface area of the Earth?
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Earth's surface area equals 510,000,000 square kilometers.
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dry ice?
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frozen carbon dioxide
freezes at -78 degrees Celsius |
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How old are the oldest known sexually reproducing organisms?
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The oldest known sexually reproducing organisms—eukaryotes, or cells with nuclei—are as much as 1.5 billion years old.
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What is the outer layer of the sun called?
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the corona
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Sabermetrics is the study of what?
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the mathematical and statistical analysis of baseball records.
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the point in a planet's orbit where it is the farthest from the sun
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aphelion
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The form of inorganic carbon most abundant in seawater is:
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bicarbonate ion
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The coastlines with the widest continental shelf are found along the....
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Atlantic coast of South America
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The method of analyzing tides which takes into account the presence of the continents and their effect on tides is…
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dynamic tidal analysis
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Annually, the largest total oceanic primary production occurs in which geographic region of the ocean?
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temperate zones
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