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61 Cards in this Set
- Front
- Back
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Wave impact and pressure cause __________
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Erosion
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Because of the Coriolis effect, ocean currents in the Northern Hemisphere are deflected to the _______
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Right
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What is upwelling?
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Rising of cold water from deper layers to replace the warm surface water
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Name some sources of groundwater pollution
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Sewage, Pestisides, Chemicals, etc.
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The amount of dissolved gases in the ocean is affected by what two things?
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Temperature and Depth
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What is the warmest layer of the ocean?
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Surface Zone
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What is the coldest layer of the ocean?
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Deepest layer
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If the water in the ocean evaporates, what happens to the salt concentration?
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It increases
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What are currents?
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Water below the surface moving in streams
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What two factors cause currents in the ocean?
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Temperature and Wind Speed (Density)
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Water covers what percent of the Earths surface?
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71%
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What are waves?
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The movement of energy through a body of water
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What determines the different layers of the ocean?
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Temperature
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What are Tsunamis?
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Ocean waves caused by earthquakes
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Name 3 things the height of a surface wave is dependent on.
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Wind speed, wind distance, and length of the gust
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Name the 4 major oceans in the world.
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Atlantic, Pacific, Indian, Artic
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What is evaportation?
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From surface water, soil, and organisms (from liquid to gas)
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What is condensation?
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Air containing water vapor, cools and forms clouds (gas to liquid)
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What is watershed?
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The land area from which surface run-off drains into a system of rivers and steams
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Changes in the depth of the water table depends on __________, __________ and ________ ___ _____
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Percipatation,drought, and overuse of wells
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Name 3 reservoirs of water on Earth.
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Oceans, Rivers, and Ponds
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What is overdraft?
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When a body of water is drained faster than it is filled
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Name 3 processes that causes habitat destruction.
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Water diversion, Draining wetlands, and building dams
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What does unpotable mean?
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Unfit to drain
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What is water purification?
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When harmful chemicals and microorganisms are removed from water
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Name 3 major causes of water pollution.
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Sewage, chemical disposal, and obtaining and using energy resources
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How long has contaminated water been a problem?
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100s of years
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What is sewage?
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Organic wastes and pathogens from humans
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What is the clean water act?
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Set water quality standards in all 50 states.
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What is the clean water act amendment?
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Set a national goals of making all U.S. surface waters "fishable and swimable"
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What are some things we can do to improve water quality in N.C.?
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Perserve wetlands, limit pavement and new developments, require developments to be away from rivers and streams, etc.
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What is a seawall?
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A structure that tries to prevent shoreline erosion
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What is eutrophication?
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When fertilizers enter the water, causing algae and plants to grow
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What type of pollutant can clog gills, fill rivers, and make the water cloudy so sunlight has trouble reaching the plants?
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Algae
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What is a wave height?
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A vertical distance beween waves and the crest and the next trough
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What is El Nino?
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A warm ocean current that lasts for several months and can cause weather or storm change
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Name 3 types of water pollution
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Thermal, chemical, and radioactivity
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The characteristics of each of each of the air masses are:
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1. Maritime (forms over water)
2. Continental (forms over land) 3. Polar (means cold) 4. Tropical (means hot) |
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What is an anemometer?
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A tool to measure windspeed
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What are isobars?
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Lines on a weather map - What scientists use to show areas connecting of same pressure
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Due to global warming, what has happened to the temperature over the twentieth century?
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It has increased.
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Air (wind) will always move from areas of ________ pressure to areas of _____ pressure
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High / Low
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What type of cloud are associated with thunderstorms?
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Cumulonimbus clouds
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Which type of storm is potentially the most destructive?
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Supercell
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What does a barometer?
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Air pressure
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What planet is now NOT considered a planet?
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Pluto
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What causes tides?
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Gravitiational pull of the moon
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What causes the Earth to have seasons?
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The tilt of the Earths on its axis
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Who was the first man to walk on the moon?
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Neil Armstrong
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Who was the first human in space?
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Yuri Gargarin
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When is the vernal Equinox?
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March 20,21, or 22
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What theory explains how the moon was formed?
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The Impact Theory
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What color are the hottest stars?
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Blue
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What color are the coolest stars?
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Red
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How do stars produce energy (light and heat)?
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Fusion
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What describes how bright a star actually is?
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Absolute Magnitude
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What will the final stellar life stage of our sun be?
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Black dwarf
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The Milky Way is what type of galaxy?
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Spiral
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The geocentric model of the universe stated that _______________
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Earth was the center of the universe
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What movement of Earth is responsible for night and day?
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Rotation
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Most stars in space fall in which of the following categories?
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Main Sequence
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