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22 Cards in this Set
- Front
- Back
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1. erosion
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the wearing away of the Earth’s surface due to the effects of weather, water, or ice.
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2. landslides
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The downward sliding of a relatively dry mass of earth and rock.
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3. volcanic eruptions
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An violent outburst through an opening in the earth's crust through which molten lava, ash, and gases are ejected.
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4. earthquakes
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A sudden movement of the earth's crust caused by the release of stress accumulated along geologic faults or by volcanic activity.
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5. What are 3 reasons that rocks break into smaller pieces?
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Freezing
Thawing Growth of plant roots |
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6. Water erodes landforms, reshaping the land by taking it away from some places and depositing it as pebbles, sand, silt, and mud in other places. What are the 3 words that describe these processes?
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weathering, transport and deposition
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7. What reshapes the topography of an area?
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the weathering of rock and soil and by the transportation and deposition of sediment
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8. What is the dominant process in shaping the landscape of California?
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water running downhill
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9. Rivers and streams are dynamic systems that do what 4 things in natural and recurring patterns?
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erode, transport sediment, change course, and flood their banks
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10. Where do beaches receive their sand from and how do waves affect/change them?
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The sand is supplied by rivers and moved along the coast by the action of waves.
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11. How does energy enter an ecosystem and in what two ways is it transferred?
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Energy enters ecosystems as sunlight and is transferred 1) by producers into chemical energy through photosynthesis and 2) from organism to organism through food webs.
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12. How is matter transferred?
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It is transferred from one organism to another over time, in the food web and between organisms and the physical environment.
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13. How do we categorize organisms?
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Populations of organisms can be categorized by the functions they serve in an ecosystem.
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14. What determines the number and types of organisms an ecosystem can support?
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The resources available and on abiotic factors, such as quantities of light and water, a range of temps and soil composition.
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15. What determines how useful an energy source is?
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The factors involved in converting the energy into a useful form, and the consequences of the conversion process.
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16. Renewable Energy
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– is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are naturally replenished.
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17. Non Renewable Energy
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those sources which can't be replaced in a reasonable amount of time.
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18. What is the major source of energy on the Earth’s surface and what does it power?
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The sun and it powers winds, ocean currents, and the water cycle.
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19. How does solar energy reach the Earth and in what form?
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Through radiation and in the form of visible light.
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20. How does heat from the Earth’s interior reach the surface?
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Through convection.
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21. How is heat distributed on Earth and through what process?
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Through convection currents in the atmosphere and oceans.
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22. What causes changes of weather here on Earth?
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Differences in pressure, heat, air movement and humidity?
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