E.E Science Exam
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Questions and Answers

Which of the following terms describes the Earth's movement in relation to the Sun and its rotation on its axis?

  • Precession
  • Barycenter
  • Revolution (correct)
  • Nutation
  • The equatorial circumference of Earth is smaller than the circumference at the poles.

    False

    What are Kepler's three laws of planetary motion?

    1. Planets move in elliptical orbits with the Sun at one focus. 2. A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time. 3. The square of the period of a planet is proportional to the cube of the semi-major axis of its orbit.

    The ____ of the Earth causes changes in seasons.

    <p>tilt</p> Signup and view all the answers

    Match the following types of tides with their descriptions:

    <p>Diurnal = One high tide and one low tide each day Semidiurnal = Two high tides and two low tides each day Mixed Semidiurnal = Varies in height and frequency of tides</p> Signup and view all the answers

    Which process is responsible for the energy production in the Sun?

    <p>Fusion</p> Signup and view all the answers

    All electromagnetic radiation produced by the Sun is directly beneficial to life on Earth.

    <p>False</p> Signup and view all the answers

    Explain how Earth's rotation and revolution affect its shape.

    <p>Earth's rotation causes it to bulge at the equator while its revolution influences the distribution of sunlight, affecting climate and weather patterns.</p> Signup and view all the answers

    What is the expected trend in the age structure of the US population in the future?

    <p>The older generation will increase while the younger generation decreases.</p> Signup and view all the answers

    What does a density independent factor not rely on?

    <p>The number of organisms present.</p> Signup and view all the answers

    Which of the following describes the 'J curve' in population growth?

    <p>Population grows rapidly while resources are plentiful.</p> Signup and view all the answers

    What is a limiting factor in population growth?

    <p>A resource or condition that inhibits population growth.</p> Signup and view all the answers

    What major trend is observed regarding population growth in wealthy countries?

    <p>Population growth is significantly decreasing.</p> Signup and view all the answers

    What characteristic defines a population?

    <p>A species residing in one geographic area.</p> Signup and view all the answers

    Which of the following factors affects population size?

    <p>Birth rate and death rates.</p> Signup and view all the answers

    What growth stage follows the initial exponential growth in a population?

    <p>Logistic growth.</p> Signup and view all the answers

    What is one potential negative impact of using solar islands for energy production?

    <p>They take up valuable ocean space.</p> Signup and view all the answers

    What is a personal action that can help reduce plastic pollution?

    <p>Use reusable products instead of disposable ones.</p> Signup and view all the answers

    Which of the following is NOT a consequence of plastic pollution?

    <p>Increasing biodiversity in marine environments.</p> Signup and view all the answers

    What aspect of solar panel testing is controlled in the described experiment?

    <p>The distance of the solar panel from the light source.</p> Signup and view all the answers

    What is a global initiative aimed at reducing plastic pollution?

    <p>Educating companies about plastic pollution.</p> Signup and view all the answers

    What are three types of nonrenewable energy?

    <p>Natural gas, coal, oil</p> Signup and view all the answers

    What is one of the pros of using coal power?

    <p>Abundant and cheap</p> Signup and view all the answers

    Which of the following is NOT a common use of nuclear energy?

    <p>Electric vehicle charging</p> Signup and view all the answers

    How much wind power does Governor Cooper hope to produce by 2040?

    <p>8.0 GW</p> Signup and view all the answers

    What is fracking primarily used for?

    <p>Extracting natural gas or oil</p> Signup and view all the answers

    Which of the following is a con of using wind power?

    <p>Initial high setup costs</p> Signup and view all the answers

    What is the approximate average cost of a solar panel in North Carolina?

    <p>$2.62/Watt</p> Signup and view all the answers

    What are two major issues surrounding offshore wind turbines?

    <p>High installation costs and environmental impact</p> Signup and view all the answers

    What is the primary role of oysters in their ecosystem?

    <p>Filter feeders</p> Signup and view all the answers

    What effect do excess nutrients from rivers have when they flow into coastal waters?

    <p>Formation of dead zones</p> Signup and view all the answers

    Which three states along the East Coast of North America have the most salt marshes?

    <p>North Carolina, South Carolina, and Georgia</p> Signup and view all the answers

    What can cause the strong smell associated with pluff mud?

    <p>Bacteria living without oxygen</p> Signup and view all the answers

    How does a trophic pyramid differ from a food chain?

    <p>A trophic pyramid represents apex predators at higher levels.</p> Signup and view all the answers

    What is the main characteristic of a salt marsh during high and low tides?

    <p>It is underwater at high tide and exposed at low tide.</p> Signup and view all the answers

    What could be a consequence of over harvesting blue crabs from a basin?

    <p>Disruption of local food webs</p> Signup and view all the answers

    Which of the following organisms commonly lives in salinity-rich marshes?

    <p>Clams</p> Signup and view all the answers

    Why are euryhaline creatures like the Atlantic Stingray and Bull Shark important in salt marshes?

    <p>They can tolerate a wide range of salinity levels.</p> Signup and view all the answers

    Which type of tide is characterized by two high tides and two low tides each day?

    <p>Semi-diurnal tide</p> Signup and view all the answers

    What defines a keystone species?

    <p>A species that is vital for the structure and function of its ecosystem.</p> Signup and view all the answers

    Which organisms are classified as primary consumers in the marsh ecosystem?

    <p>Periwinkle and Grass Shrimp</p> Signup and view all the answers

    What are the elevation zones within a marsh, according to basic marsh structure?

    <p>Mudflats, pioneer zone, lower marsh, upper marsh.</p> Signup and view all the answers

    What is the primary purpose of the Funky Junk Contest?

    <p>To construct a structure based on data and storytelling.</p> Signup and view all the answers

    What happens to barrier islands when sea levels rise?

    <p>They protect against erosion and storms.</p> Signup and view all the answers

    What is the significance of Smooth Cordgrass in salt marshes?

    <p>It is well adapted to varying marsh elevations and foundational to the food web.</p> Signup and view all the answers

    What evidence supports the theory of continental drift?

    <p>Matching fossil evidence</p> Signup and view all the answers

    In which direction is the South American plate primarily moving?

    <p>Both divergent and convergent</p> Signup and view all the answers

    Which phenomenon describes the changes in the Earth's magnetic field over time?

    <p>Paleomagnetism</p> Signup and view all the answers

    What is a significant reason for the difference in age between oceanic and continental crust?

    <p>Oceanic crust is constantly renewed</p> Signup and view all the answers

    What does the presence of Mesosaurus in both Africa and South America suggest?

    <p>Continents were once connected</p> Signup and view all the answers

    What causes the movement of tectonic plates?

    <p>Heat under the mantle</p> Signup and view all the answers

    What identifying feature is typical of transform boundaries?

    <p>Lateral sliding of plates</p> Signup and view all the answers

    What is the primary role of hotspots in plate tectonics?

    <p>To generate volcanic islands</p> Signup and view all the answers

    What is a primary consequence of eutrophication in aquatic systems?

    <p>Decreased oxygen levels in water</p> Signup and view all the answers

    How does traditional agriculture typically impact water quality in surrounding ecosystems?

    <p>It contributes to increased runoff of pesticides and fertilizers</p> Signup and view all the answers

    What is a significant effect of urbanization on stormwater runoff?

    <p>Increased introduction of pollutants into waterways</p> Signup and view all the answers

    Which of the following practices is considered effective in the restoration of wetlands?

    <p>The reintroduction of native plant species</p> Signup and view all the answers

    What is a primary function of a riparian buffer in water quality management?

    <p>To filter pollutants before they enter waterways</p> Signup and view all the answers

    What factor most significantly affects the pH of aquatic ecosystems?

    <p>Chemical runoff</p> Signup and view all the answers

    Which organism is known to be most sensitive to changes in water quality?

    <p>Clams</p> Signup and view all the answers

    What is the primary source of nitrates in water systems?

    <p>Agricultural fertilizers</p> Signup and view all the answers

    Which management strategy is effective in reducing soil erosion?

    <p>Wetland restoration</p> Signup and view all the answers

    What is the main impact of turbidity on aquatic life?

    <p>Reduced reproduction rates</p> Signup and view all the answers

    What effect do algal blooms typically have on water quality?

    <p>Increase in turbidity</p> Signup and view all the answers

    Which of the following methods is NOT typically used for stormwater runoff management?

    <p>Dredging</p> Signup and view all the answers

    What is the primary concern associated with sewage overflow in water bodies?

    <p>Introduction of pathogens</p> Signup and view all the answers

    What is a major consequence of high sedimentation rates in water bodies?

    <p>Reduction in water quality</p> Signup and view all the answers

    How do nitrates and phosphates primarily enter waterways from anthropogenic sources?

    <p>Fertilizers and wastewater</p> Signup and view all the answers

    Which of the following techniques is a hard stabilization method to combat coastal erosion?

    <p>Seawalls</p> Signup and view all the answers

    What role do riparian buffers play in water quality management?

    <p>They filter runoff and prevent erosion</p> Signup and view all the answers

    How does deforestation impact the water cycle when urban areas are developed?

    <p>Reduces groundwater recharge</p> Signup and view all the answers

    What is the main environmental threat posed by ocean acidification?

    <p>Dissolution of calcium carbonate</p> Signup and view all the answers

    What is a common solution to reduce stormwater runoff in urban areas?

    <p>Implementing green infrastructure</p> Signup and view all the answers

    What are the ecological benefits provided by oysters in their habitat?

    <p>They filter water and stabilize shorelines</p> Signup and view all the answers

    Which of the following processes primarily drives the movement of tectonic plates in the lithosphere?

    <p>Mantle convection cells</p> Signup and view all the answers

    What primarily distinguishes sedimentary rocks from igneous and metamorphic rocks?

    <p>Sedimentary rocks are made of compacted mineral fragments.</p> Signup and view all the answers

    Which type of tectonic boundary is characterized by plates moving away from each other?

    <p>Divergent boundary</p> Signup and view all the answers

    What is the primary characteristic of active margins compared to passive margins?

    <p>Active margins have more geological activity.</p> Signup and view all the answers

    Which of the following factors provides evidence for Wegener's theory of plate tectonics?

    <p>Similar fossil records across continents</p> Signup and view all the answers

    How does slab pull contribute to plate tectonics?

    <p>It pulls subducting plates downward.</p> Signup and view all the answers

    What is the primary difference between relative dating and absolute dating in geology?

    <p>Relative dating compares ages of rock layers, absolute dating provides numerical ages.</p> Signup and view all the answers

    What feature is indicative of a divergent boundary in the oceanic crust?

    <p>Mid-ocean ridge</p> Signup and view all the answers

    What is the primary difference between lahar and pyroclastic material?

    <p>Lahar consists of water-saturated volcanic debris, whereas pyroclastic material includes solid fragments ejected during eruptions.</p> Signup and view all the answers

    Which of the following accurately describes the relationship between volcanoes and plate boundaries?

    <p>Most volcanoes are found at plate boundaries, but some form due to hot spots.</p> Signup and view all the answers

    How does physical weathering differ from chemical weathering?

    <p>Physical weathering breaks rocks into smaller pieces, while chemical weathering alters the minerals within the rocks.</p> Signup and view all the answers

    In the context of earthquakes, what does the Elastic Rebound Theory explain?

    <p>The process by which energy is stored and released along fault lines.</p> Signup and view all the answers

    What major factor influences the formation and migration of barrier islands?

    <p>Tidal patterns and wave action along the shoreline.</p> Signup and view all the answers

    What are the characteristics of a cinder cone volcano?

    <p>It has steep slopes and is primarily composed of volcanic ash and tephra.</p> Signup and view all the answers

    Which type of volcanic eruption is typically the most explosive?

    <p>Composite cone eruptions.</p> Signup and view all the answers

    Which geological phenomenon is commonly associated with the Pacific Ring of Fire?

    <p>Frequent volcanic activity and earthquakes.</p> Signup and view all the answers

    What factor contributes to fewer hurricanes occurring in the Atlantic compared to the Pacific?

    <p>Increased wind shear in the Atlantic</p> Signup and view all the answers

    What is the primary source of carbon emissions identified in the context of carbon sources and sinks?

    <p>Burning fossil fuels</p> Signup and view all the answers

    How does the phenomenon of albedo influence climate conditions during warming events?

    <p>It causes ice to melt, exposing more land.</p> Signup and view all the answers

    What role do CFCs have in air quality and environmental impact?

    <p>They contribute to ozone layer depletion.</p> Signup and view all the answers

    What indicators suggest significant changes related to climate change?

    <p>Higher sea levels and increasing temperatures</p> Signup and view all the answers

    What is a characteristic of hurricanes when they reach category 3 on the Saffir-Simpson scale?

    <p>They lead to significant damage.</p> Signup and view all the answers

    Which aspect is essential for hurricane formation?

    <p>Ocean water over 80 degrees Fahrenheit.</p> Signup and view all the answers

    What is the primary effect of the Coriolis Effect on wind patterns?

    <p>It causes winds to turn due to Earth’s rotation.</p> Signup and view all the answers

    How does the tilt of the Earth contribute to the changing seasons?

    <p>It affects where the sunlight hits the Earth.</p> Signup and view all the answers

    What defines an equinox?

    <p>The time when day and night are of equal length.</p> Signup and view all the answers

    Which of the following global wind belts is characterized by calm winds?

    <p>Doldrums</p> Signup and view all the answers

    What is the primary characteristic of El Niño conditions?

    <p>Warmer equatorial Pacific water temperatures.</p> Signup and view all the answers

    What phenomenon describes the seasonal shifting of the wind patterns due to the Earth's rotation and tilt?

    <p>Monsoon</p> Signup and view all the answers

    What happens to air pressure as one ascends through the layers of the atmosphere?

    <p>Air pressure decreases progressively</p> Signup and view all the answers

    Which of the following types of heat transfer involves the movement of fluids?

    <p>Convection</p> Signup and view all the answers

    What is the main characteristic of a low-pressure area?

    <p>Moist warm air rises and cools down</p> Signup and view all the answers

    Which of these is a characteristic of stratus clouds?

    <p>Flat layers covering the sky</p> Signup and view all the answers

    What type of air mass is characterized by being warm and moist?

    <p>mT - maritime tropical</p> Signup and view all the answers

    What is the primary difference between cold and warm frontal boundaries?

    <p>Cold fronts move faster than warm fronts</p> Signup and view all the answers

    What does the term 'relative humidity' refer to?

    <p>The actual amount of water vapor in the air compared to saturation</p> Signup and view all the answers

    What happens to temperature as one ascends through the stratosphere?

    <p>Temperature increases due to radiation absorption</p> Signup and view all the answers

    What was the primary outcome of Fleming's experiment with the mold and bacteria?

    <p>The mold eliminated the bacteria in the culture.</p> Signup and view all the answers

    Which factor is most critical in determining the effectiveness of a nutrient broth in supporting mold growth?

    <p>The concentration of nutrients in the broth.</p> Signup and view all the answers

    What method did Fleming use to test his hypothesis about the mold's effect on bacteria?

    <p>He compared the growth of bacteria in the presence and absence of the mold.</p> Signup and view all the answers

    What major medical advancement resulted from Fleming's experiment with bacteria and mold?

    <p>Antibiotics.</p> Signup and view all the answers

    What is an important factor that must be controlled in experiments similar to Fleming's to ensure valid results?

    <p>The type of bacteria used in the culture.</p> Signup and view all the answers

    What was the central problem that Dr.Eijkman investigated related to the disease beriberi?

    <p>The nutritional deficiency associated with polished rice.</p> Signup and view all the answers

    In Dr.Eijkman's experiments, what was the manipulated (independent) variable?

    <p>The type of rice the chickens were fed.</p> Signup and view all the answers

    What observation led Alexander Fleming to hypothesize that Penicillium produced a substance harmful to bacteria?

    <p>There was a clear area around the mold where bacteria were absent.</p> Signup and view all the answers

    What was the result of Dr.Eijkman's observation regarding the diet of the chickens?

    <p>Chickens fed polished rice showed significant illness.</p> Signup and view all the answers

    What essential nutrient was found to be lacking in polished rice that contributed to the health issues observed?

    <p>Thiamine</p> Signup and view all the answers

    How did Dr.Eijkman modify the experimental conditions after initial observations about beriberi?

    <p>He altered the type of rice consumed by the chickens.</p> Signup and view all the answers

    What possible testing method could Dr.Eijkman use for his new hypothesis about polished rice?

    <p>Test the rice for thiamine levels.</p> Signup and view all the answers

    Based on Fleming's findings, what could be hypothesized about the relationship between Penicillium and Staphylococcus bacteria?

    <p>Penicillium releases a toxin that kills Staphylococcus bacteria.</p> Signup and view all the answers

    Study Notes

    Earth's Motion and Role in the Universe

    • Earth's motion is explained by its origin in the galaxy and solar system, and its movement within the solar system is elliptical.
    • Earth's role is part of a larger hierarchy: solar system, galaxy, and universe.
    • Factors impacting Earth's motion include precession, barycenter, nutation, revolution, rotation, and elliptical orbit.

    Kepler's Laws of Planetary Motion

    • Kepler's laws explain how planets orbit stars.
    • Kepler's laws include three separate concepts, but these are described separately in more detail elsewhere.

    Earth's Motion in the Solar System

    • Earth's tilt is responsible for seasons.
    • Earth's relative motion within the solar system, galaxy, and universe is important to its seasons.
    • Key factors include tilt, solar/lunar eclipses, seasons, tropics (Cancer & Capricorn), arctic/antarctic circle, solstices, and equinoxes.
    • Sun's motion is not stationary; all objects in the solar system affect it.

    Earth's Rotation and Revolution

    • Daily changes are due to the Earth's gravity interacting with the moon.
    • Seasons change due to the tilt and revolution of Earth around the sun.
    • Tides change throughout the day (diurnal, semi-diurnal, and mixed).

    Earth's Size and Shape

    • Circumference around the equator is larger than around the poles.

    Sun's Energy

    • The sun produces energy through fusion and fission.
    • The sun produces various forms of energy, some of which are filtered by the atmosphere.
    • Energy flows from sun to Earth via electromagnetic radiation.

    Earth's Surface Heating

    • Land heats faster than water due to differences in specific heat.
    • Solar energy transforms into chemical energy, essential for life.
    • Earth's magnetosphere protects it from solar radiation.

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