Science Bowl Earth Science Questions

Pregunta	Respuesta
The overall charge at the top and bottom, respectively, of a towering cumulonimbus cloud during a thunderstorm is: W) positive, positive X) positive, negative Y) negative, positive Z) negative, negative	X) POSITIVE, NEGATIVE
A lightning bolt is seen and its accompanying thunder is heard 15 seconds later. This means the storm is most likely how many miles away: W) 3 X) 6 Y) 9 Z) 15	W) 3
Which of the following is a sedimentary rock: W) slate X) marble Y) basalt Z) sandstone	Z) SANDSTONE
Which of the following is LEAST accurate about minerals: W) calcite has a hardness of 3 on most of its surfaces but a hardness of 4 along the crystal face perpendicular to its long axis X) the Moh’s scale measures the absolute hardness of minerals Y) a mineral’s chemical composition largely determines its crystal shape and cleavage pattern Z) a mineral’s color is the same as its streak	Z) A MINERAL’S COLOR IS THE SAME AS ITS STREAK
Which of the following terms best describes the albedo of a planet: W) electromagnetic energy X) density Y) reflectivity Z) absorption	Y) REFLECTIVITY
Which of the following is NOT true of what occurs during an equinox: W) equal length of day and night except at the poles X) the Earth is not tilted with respect to the ecliptic Y) the Sun is directly overhead at the equator Z) the Moon is directly overhead at the poles	Z) THE MOON IS DIRECTLY OVERHEAD AT THE POLES
Which of the following is best classified as a plutonic intrusive rock: W) obsidian X) granite Y) basalt Z) pumice	X) GRANITE
The principle constituent of most granites is: W) feldspar X) muscovite Y) calcite Z) dolomite	W) FELDSPAR
When spreading centers reach above the ocean’s surface, they typically form which of the following types of volcanoes: W) shield X) composite Y) stratovolcano Z) cinder cone	W) SHIELD
Mount Vesuvius in Italy is a typical: W) mud volcano X) caldera Y) cinder cone Z) composite volcano	Z) COMPOSITE VOLCANO
What is the oldest Eon on the Geological Time Scale within which the first organisms appeared between 550 million and 3.4 billion years ago?	PRECAMBRIAN
Homo sapiens evolved during which geological era of the Geological Time Scale?	CENOZOIC
In the oceans, waves and surf currents are generated by: W) wind X) El-Nino Y) salinity and temperature gradients Z) the Intertropical Convergence Zone	W) WIND
What is the name for the common ocean waves that are not driven by the wind but sustained by the energy they obtained by the sea?	SWELL(S)
Which of the following cloud types is classified as a low cloud: W) altostratus X) cirrostratus Y) cumulonimbus Z) nimbostratus	Z) NIMBOSTRATUS
Panning is a simple mining technique that is used for extracting gold deposited in: W) banded gold formations X) evaporite deposits Y) placer deposits Z) lode deposits	Y) PLACER DEPOSITS
Which of the following best describes the luster of quartz: W) dull X) silky Y) metallic Z) vitreous	Z) VITREOUS BONUS
Which of the following is LEAST accurate regarding earthquakes: W) scientists agree that mega-quakes of magnitude 10 are very likely in the near future X) the world’s greatest earthquake zone is the circum-Pacific seismic belt Y) Alaska has the greatest number of earthquakes in the U.S. Z) deep earthquakes are much less likely to be followed by aftershocks than shallow earthquakes	W) SCIENTISTS AGREE THAT MEGA-QUAKES OF MAGNITUDE 10 ARE LIKELY IN THE NEAR FUTURE
Ocean tides of diminished range are called: W) spring tides X) neap tides Y) diurnal tides Z) semi-diurnal tides	X) NEAP TIDES
Which of the following was a time when glaciation was minimal on Earth: W) Cretaceous Period X) Quaternary Period Y) Holocene Epoch Z) Pleistocene Epoch	W) CRETACEOUS PERIOD
When rain freezes into pellets while falling to the ground during a winter storm, the most accurate forecast would have predicted: W) hail X) snow Y) freezing rain Z) sleet	Z) SLEET
Identify each of the following 3 rocks, respectively, as igneous, metamorphic, or sedimentary: marble; pumice; conglomerate	MARBLE = METAMORPHIC; PUMICE = IGNEOUS; CONGLOMERATE = SEDIMENTARY
Cirrus clouds are typically found at elevations of: W) 20,000 feet and above X) 10,000 to 20,000 feet Y) 5,000 to 10,000 feet Z) 2,000 to 5,000 feet	W) 20,000 FEET AND ABOVE
Andesitic magmas typically erupt above: W) hot spots X) divergent plate boundaries Y) subduction zones Z) fissure eruptions	Y) SUBDUCTION ZONES
What is commonly accepted as the engine that most directly drives plate tectonic motion:	MANTLE CONVECTION
Although scientists are unable to obtain samples by drilling, they believe the predominant mineral in the mantle is:	OLIVINE
What are likely to form in the crater of a stratovolcano following a catastrophic eruption, such as what happened several times in Mount Saint Helens:	LAVA DOMES

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	Creado por Brian Hedspeth hace alrededor de 11 años