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9th ENV Ch 3.3
9th ENV Chapter 3-Section 3 QUESTIONS
| Question | Answer |
|---|---|
| Define biosphere | The part of Earth where life exists. |
| What is the one requirement for all living things? | liquid water |
| What does the hydrosphere include? | oceans, lakes, rivers, wetlands, polar ice caps, soil, and rocks. |
| Using Fig. 3.1, list the major processes of the water cycle. | evaporation, condensation, precipation |
| Define water cycle. | The movement of water into the air then to land. |
| CLOUDS PRECIPATION | _____ is the process by which liquid water is heated by the sun and then rises into the atmosphere as ______ |
| Define condensation. | water vapor forms water droplets on dust particles. |
| CLOUDS PRECIPATION | These water droplets form ___, in which the droplets collide, stick together, and create larger, heavier droplets. These larger droplets fall form clouds as rain in a process called ________. |
| What are all the oceans connected in the world called? | world oceans |
| How much of the Earth does the world ocean cover? | 70% |
| What is the largest ocean and the deepest point in this ocean called? | Pacific ocean 115,557,000 Km |
| ALANTIC | The second largest ocean on Earth is the ___________ ocean. |
| What is the rapid movement of water around Antarctica called? | Antarctic Circumpolar Current |
| What is the smallest ocean called and why is this ocean unique? | Artic Ocean its covered by ice. |
| After reading the Case Study – “Storm Surge, Tsunamis, and Coastal Wetlands” – how could restoring or protecting coastal wetlands help protect citie | It could grow trees and plants back so they can stop major flooding that is going on. |
| Define salinity. | dissolved salt in the ocean |
| 3.5% | The average salt content of ocean water is ___%_ by weight |
| sing Fig. 3.3, which two elements are the most important to form salt? | chlorine,sodium |
| Which zone has temperatures near freezing (2 degrees Celsius)? | North Alantic |
| Which zone has temperatures near freezing (2 degrees Celsius)? | Gulf Stream |
| Which zone has the water temperature drop the fastest as you increase depth? | North Alantic |
| What is one of the most important functions of the world ocean? | To absorb and store energy from the sum. |
| HALF | The world ocean absorbs over ______ the solar radiation that reaches the planet’s surface. |
| what would happen if the ocean did not regulate the temperature on Earth? | We wouldn't have oceans. |
| WARM WATER COLD WATER | urface currents may be ____________ currents or ____________ currents. |
| Where is the densest and coldest current located? | by the equator |
| Define fresh water and where is most trapped? | it is trapped in polar ice caps and glacers |
| riversystem | A ________________ is a network of streams that drains an area of land. |
| Define tributaries. | are smaller streams or rivers flow into bigger ones. |
| Which river does most of the precipitation drain between the Rocky and Appalachian Mountains? | Mississippi River |
| Define groundwater. | Rain and melting snow sink into the ground and run off the land. |
| 1% | Groundwater accounts for less than _____%_____of all water on Earth. |
| AQUIFER RECHARG ZONE | A rock layer that stores and allows the flow of groundwater is called an ______________. The surface of the land where water enters an aquifer is called a __________________. |
| does Louisiana have more aquifers or more rocks with little water? | aqufires |
| SKIN | If the Earth were an apple, the biosphere would be is ______. |
| Define biosphere. | The part of Earth where life exists |
| True or False? The biosphere is only made up of the hydrosphere. | false |
| List the 3 important factors in which life can exist | water, moderate temperatures, source of energy |
| CYCLED | The materials that organisms require must continually be ___________. |
| Why is the biosphere located near the Earth’s surface? | Most of the sunlight is aviable hear the surface |
| Define phytoplankton. | bacteria |
| What do most organisms that live deep in the ocean feed upon? | plants and animals |
| Using Fig. 3.9, does Louisiana have high or low chlorophyll concentration? | high |
| What happens when an organism dies in the biosphere? | The body breaks down into matter |
| EDEN PROJECT CLOSED SYSTEM | Using Fig. 3.10, the ____________________ is an attempt to model a biosphere. In this project, plants from all over the world live in a _____________________. |
| What does a closed system mean? | energy enters and leaves the system |
| How is Earth a closed system? | The only thing that enters is large amounts of energy |
| Define an open system. | Matter and energy are exchanged between a system |
Created by:
asimien907
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