which of the following factors have been most influential in allowing manned space exploration?
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MP4 6 Weeks Review WED, Ground water and Solar System
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QUIZ
MP4 6 Weeks Review WED, Ground wate...
MP4 6 Weeks Review WED, Ground wate... 65%
145 8th - 9th Science Martha Molinar 3 years
32 Qs
1. Multiple-choice 30 seconds Q.
What could happen to the water table if all the wells start pumping at once?
answer choices
the water table may fall
the water table may rise
the boat will sink
the wells will overflow
2. Multiple-choice 30 seconds Q.
Groundwater feeds the river systems. Groundwater and surface water are connected, not separate. Consequently, water wells may remove or intercept groundwater that was on its way to springs that feed streams and rivers. What can happen to water level if too many wells are placed together?
answer choices
they may cause the water table to rise
they may draw down the water table
the rivers will all run dry
rainwater will stop falling
3. Multiple-choice 30 seconds Q.
The carbonic acid created when carbon dioxide dissolves in rainwater is caustic to the limestone rock in the Valley and Ridge region of Virginia. The acidic water melts away parts of the carbonate rock, limestone, to create fascinating structures within the ground. What are the structures at A and E, respectively?
answer choices
water table and ungerground streams
sinkholes and shallow caves
sunken caverns and acidic stream
debris and erosion 4. Multiple-choice 30 seconds Q.
Permeability is the ability of a liquid to flow through a solid. It is different than porosity because when pores are isolated they are still not permeable. The word IMpermeable means NOT permeable. Which of the three soil samples shown is most impermeable?
answer choices sand sandy loam clay 5. Multiple-choice 30 seconds Q.
The rock shown in the picture is an extrusive igneous rock called pumice. It is made when the gaseous, frothy effluent from a volcano cools rapidly above ground. In fact, pumice is so lightweight from all the holes that it floats in water. Please note that the holes are large, but they don't connect to each other. Pumice is best described as
answer choices
high permeability and high porosity
high permeability and low porosity
high porosity and low permeability
high porosity and high permeability
6. Multiple-choice 30 seconds Q.
This picture shows what important feature of Karst topography that occur when the cavern ceilings give way?
answer choices hillsides sinkholes caves grassy loam 7. Multiple-choice 30 seconds Q.
One of the more interesting formations that occur in the caverns of Virginia's Valley and Ridge region are the stalactites and stalagmites inside the limestone caves. These stalactites and stalagmites are formed by
answer choices
water from evaporating caverns
water dripping through the cave and precipitating minerals
erosion of the cavern by ancient underground streams
8. Multiple-choice 30 seconds Q.
What causes a cone of depression?
answer choices
a well is pumped heavily
a well is dug deeply into the ground
erosion from excessive water flow
9. Multiple-choice 30 seconds Q.
What is happening in the picture?
answer choices
a heavily pumped well is pulling the sewage towards it
Sewage is being pumped uphill
10. Multiple-choice 30 seconds Q.
What does this picture illustrate?
answer choices
porosity is hole, permeability is flow
permeability is holes, porosity is flow
11. Multiple-choice 30 seconds Q.
Who is in charge of building YOUR future
answer choices YOU are your pet cat is
your next door neighbor
anyone but you 12. Multiple-choice 30 seconds Q.
What concept does this picture illustrate?
answer choices convection currents permeability
presence of igneous rock in the Piedmont
formation of sandstone in the Coastal Plain
13. Multiple-choice 30 seconds Q.
Which sample is an example of impermeable rock such as might be the bedrock underneath an aquifer?
answer choices rock 1 rock 2 rock 3 rock 4 14. Multiple-choice 30 seconds Q.
Which rock sample shown is the MOST permeable?
answer choices rock 1 rock 2 rock 3 rock 4 15. Multiple-choice 30 seconds Q.
Which rock samples shows how different size crystals can cause decreased porosity and permeability?
answer choices rock 1 and rock 4 rock 1 and rock 3 rock 3 and rock 4 rock 2 and rock 3 16. Multiple-choice 30 seconds Q.
What does Ms. Molinar, Mrs. Hoyt, Mrs. Salas want you to remember every day?
answer choices be awesome!! I love reading
ingeous rock can be intrusive or extrusive
hotspot volcanoes form over weak spots in the mantle
17. Multiple-choice 30 seconds Q.
How did this woman use her understanding of the uses of minerals to change YOUR life?
answer choices
she built airplanes to help win a World War
science Flashcards
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science
Karen bought a birdbath made of poured concrete.The salesman suggested that she seal the surface with a watertight solution.why was this suggestion made?
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In cold wet weather water seeping into the concrete would freeze and cause the birdbath to crack.
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John was changing the oil in his truck.he dumped the used oil around a fence post to keep weeds from growing. John did not know it, but he was hurting the environment because the oil...
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goes deep into the oil and pullutes the groundwater
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1/14 Created by blair546
Terms in this set (14)
Karen bought a birdbath made of poured concrete.The salesman suggested that she seal the surface with a watertight solution.why was this suggestion made?
In cold wet weather water seeping into the concrete would freeze and cause the birdbath to crack.
John was changing the oil in his truck.he dumped the used oil around a fence post to keep weeds from growing. John did not know it, but he was hurting the environment because the oil...
goes deep into the oil and pullutes the groundwater
A local gardener puts fertilizer on his plants. The plants are very healthy, but what is a negative effect the fertilizers have on the environment?
Excess fertilizer is washed into local streams, causing an overgrowth of algae
Hurricane Katrina had a dramatic affect on many coastal areas along the Gulf of Mexico. The following pictures show a stretch of beach in Texas before and after the storm made landfall. What effect will the storm erosive damage most likely have in this section of beach u the future?
The loss of vegetation along the coast will increase the amount of beach erosion in the future, making the beach smaller.
The following computer model was created to illustrate how a watershed can be affected by human activities. What i the most likely reason for placing the farm land upstream from the factories?
The water at the highest point of the river will have been impacted the least by human activities, so it should be to cleanest.
Which water conservation technique is most important during the month of August?
Water lawns during the early morning hours.
In some areas of Texas, rain water quickly moves through layers of rock and is stored naturally underground. Te water is the pumped into homes for people to use. What would cause the biggest change on the amount of water available to people in his area?
long periods without rainfall
When sending humans into space, space programs must consider many factors, one of which is lack of air. Obviously, a lack of air that humans are unable to breath in space. What is another problem that a lack of air poses?
Electromagnetic waves must be used for communication.
Students in a 5th grade science class are studying space travel and human capacity to survive in outer space. As part of this assignment, students have been asked to make a shopping list of materials that would be needed fir humans to survive in space.
Identify the items that account for the fact that outer space has no atmosphere, causing temperature to be extreme.
Electric heaters
Which of the following factors have been most influential in allowing manned space exploration?
Creation of atmospheric system that provides oxygen while absorbing carbon dioxide
Which characteristic of earth is most responsible for its ability to support life?
proximity to the sun
Which of the following conditions are absolutely necessary for a plant to support life?
1. planetary temperature averages are very moderate
2. composition of atmosphere contains compounds necessary for organic life
3. water is present in all phases
Which of the following items would not be needed for an unmanned space mission?
oxygen tanks ... ...
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space exploration
space exploration, investigation, by means of crewed and uncrewed spacecraft, of the reaches of the universe beyond Earth’s atmosphere and the use of the information so gained to increase knowledge of the cosmos and benefit humanity. A complete list of all crewed spaceflights, with details on each mission’s accomplishments and crew, is available in the section Chronology of crewed spaceflights. Humans have always looked at the heavens and wondered about the nature of the objects seen in the night sky. With the development of rockets and the advances in electronics and other technologies in the 20th century, it became possible
space exploration
By John M. Logsdon • Last Updated: Mar 21, 2022 • Edit History
astronaut outside the International Space Station
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Key People: Russell Louis Schweickart John Glenn Neil Armstrong Tim Peake Susan Helms
Related Topics: spaceflight astronaut space law spacecraft space elevator
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Top Questions
What is space exploration?
Should humans colonize space?
space exploration, investigation, by means of crewed and uncrewed spacecraft, of the reaches of the universe beyond Earth’s atmosphere and the use of the information so gained to increase knowledge of the cosmos and benefit humanity. A complete list of all crewed spaceflights, with details on each mission’s accomplishments and crew, is available in the section Chronology of crewed spaceflights.Humans have always looked at the heavens and wondered about the nature of the objects seen in the night sky. With the development of rockets and the advances in electronics and other technologies in the 20th century, it became possible to send machines and animals and then people above Earth’s atmosphere into outer space. Well before technology made these achievements possible, however, space exploration had already captured the minds of many people, not only aircraft pilots and scientists but also writers and artists. The strong hold that space travel has always had on the imagination may well explain why professional astronauts and laypeople alike consent at their great peril, in the words of Tom Wolfe in The Right Stuff (1979), to sit “on top of an enormous Roman candle, such as a Redstone, Atlas, Titan or Saturn rocket, and wait for someone to light the fuse.” It perhaps also explains why space exploration has been a common and enduring theme in literature and art. As centuries of speculative fiction in books and more recently in films make clear, “one small step for [a] man, one giant leap for mankind” was taken by the human spirit many times and in many ways before Neil Armstrong stamped humankind’s first footprint on the Moon.
Eagle Nebula
A stellar nursery in the Eagle Nebula (M16, NGC 6611). This detail of a composite image taken by the Earth-orbiting Hubble Space Telescope reveals a glowing column of dust and cold gas populated by embryonic stars forming from molecular hydrogen within the column.
NASA, ESA, STScI, J. Hester and P. Scowen (Arizona State University)
Apollo 11
The launch of Apollo 11, July 16, 1969.
NASA
BRITANNICA QUIZ
Human Exploration: From Earth to Space
Was Australia the last continent to be discovered? Who was the first human to orbit Earth? From treks through the South Pole to launches into space, test your knowledge of human exploration in this quiz.
Discover the importance of Sputnik, Yuri Gagarin, Apollo 11, the Hubble Space Telescope, and SpaceShipOne
Erik Gregersen, astronomy and space exploration editor of Encyclopædia Britannica, picking his top five milestones in space exploration.
Encyclopædia Britannica, Inc.
See all videos for this article
Achieving spaceflight enabled humans to begin to explore the solar system and the rest of the universe, to understand the many objects and phenomena that are better observed from a space perspective, and to use for human benefit the resources and attributes of the space environment. All of these activities—discovery, scientific understanding, and the application of that understanding to serve human purposes—are elements of space exploration. (For a general discussion of spacecraft, launch considerations, flight trajectories, and navigation, docking, and recovery procedures, see spaceflight.)
Overview of recent space achievements
Overview of recent space achievements Motivations for space activity
Although the possibility of exploring space has long excited people in many walks of life, for most of the latter 20th century and into the early 21st century, only national governments could afford the very high costs of launching people and machines into space. This reality meant that space exploration had to serve very broad interests, and it indeed has done so in a variety of ways. Government space programs have increased knowledge, served as indicators of national prestige and power, enhanced national security and military strength, and provided significant benefits to the general public. In areas where the private sector could profit from activities in space, most notably the use of satellites as telecommunication relays, commercial space activity has flourished without government funding. In the early 21st century, entrepreneurs believed that there were several other areas of commercial potential in space, most notably privately funded space travel.
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