1.Why don't charged nuclei repel each other in a plasma?
A.Nuclei combine with electrons to make neutral atoms.
B.The plasmic force pulls nuclei together.
C.Conditions are so hot and dense that the normal repulsive force can be overcome.
D.Conditions are so cold that most nuclei can't move fast enough to be repelled.
2.Sediments made from microscopic shells that settle to the bottom when the organisms that produced them die are called
A.terrigenous sediments.
B.cosmogenous sediments.
C.biogenous sediments.
D.manganese nodules.
3.Compared to today, temperatures during the last Ice Age were approximately..
A.1˚ cooler.
B. 5˚ cooler.
C.20˚ cooler.
D.50˚ cooler.
4.Two stars have the same temperature but are different sizes. Which of the following statements is true?
A.The larger star is brighter.
B.The smaller star is brighter.
C.The stars have the same brightness.
D.Their brightness cannot be compared without more data.
5. Lunar soil, or regolith, is made up primarily of
A.loose rock materials.
B.solid rock.
C.loam.
D.iron ore.
6. Which is necessary to determine the annual temperatrue range for a location?
A. the average temperautre of the warmest and coldest months
B.the highest and lowest temperatures of the year
C.the average temperature of the year
D.none of the above
7.Surface currents flowing away from the equator carry
A.cool water.
B.upwelling water.
C.warm water.
D.downwelling water.
8.When the temperature of a cloud is below -20 degrees C, the cloud consists almost entirely of
A.supercooled water.
B.snow and ice crystals.
C.ice crystals and supercooled water.
D.snow crystals and supercooled water
9. Which of the following best describes the climate of a tundra zone?
A.cold with cool, wet summers
B.dry, with cold winters and warm summers
C.cold, with wet winters and dry summers
D.cold and dry with short, cool summers
A.Nuclei combine with electrons to make neutral atoms.
B.The plasmic force pulls nuclei together.
C.Conditions are so hot and dense that the normal repulsive force can be overcome.
D.Conditions are so cold that most nuclei can't move fast enough to be repelled.
2.Sediments made from microscopic shells that settle to the bottom when the organisms that produced them die are called
A.terrigenous sediments.
B.cosmogenous sediments.
C.biogenous sediments.
D.manganese nodules.
3.Compared to today, temperatures during the last Ice Age were approximately..
A.1˚ cooler.
B. 5˚ cooler.
C.20˚ cooler.
D.50˚ cooler.
4.Two stars have the same temperature but are different sizes. Which of the following statements is true?
A.The larger star is brighter.
B.The smaller star is brighter.
C.The stars have the same brightness.
D.Their brightness cannot be compared without more data.
5. Lunar soil, or regolith, is made up primarily of
A.loose rock materials.
B.solid rock.
C.loam.
D.iron ore.
6. Which is necessary to determine the annual temperatrue range for a location?
A. the average temperautre of the warmest and coldest months
B.the highest and lowest temperatures of the year
C.the average temperature of the year
D.none of the above
7.Surface currents flowing away from the equator carry
A.cool water.
B.upwelling water.
C.warm water.
D.downwelling water.
8.When the temperature of a cloud is below -20 degrees C, the cloud consists almost entirely of
A.supercooled water.
B.snow and ice crystals.
C.ice crystals and supercooled water.
D.snow crystals and supercooled water
9. Which of the following best describes the climate of a tundra zone?
A.cold with cool, wet summers
B.dry, with cold winters and warm summers
C.cold, with wet winters and dry summers
D.cold and dry with short, cool summers