Science 3rd 9 Week Final Part 1: Question Preview (ID: 23889)

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Which of the following is a result of a longshore current?
a) waves striking the shore at an angle b) waves traveling perpendicular to the shore c) waves hitting the shore head-on d) waves rising and falling with the tides
Which of these has the greatest effect on Earth's tides?
a) currents b) climate c) density d) gravity
What happens when an ocean wave breaks on the shore?
a) It becomes more salty. b) It becomes denser. c) It loses energy. d) It gains energy.
Which of these is a good way to conserve water at home?
a) Take short showers rather than full baths. b) Install a modern septic tank system. c) Drink less water than your body needs. d) Water the lawn during the hottest part of the day.
The amount of matter in a given volume of ocean water is the water's
a) pressure b) density c) oxygen content d) salt content
Wind blowing across the ocean causes
a) nutrient currents to form b) thermocline currents to form c) surface currents to form d) deep currents to form
What is a drought?
a) a long period of higher than normal rainfall b) a long period of lower than normal rainfal c) a long period of lower than normal temperature d) a long period of higher than normal temperature
How do countries limit the pollution of water?
a) by making laws and treaties b) by banning irrigation c) by desalinating seawater d) by building dams
What causes most pollution of fresh water?
a) wastewater from factories b) point-source pollutants c) nonpoint-source pollutants d) broken septic systems
Which of these would be used to treat the wastewater in a large city?
a) a sewer system b) a septic system c) a hydroelectric dam d) a desalination plant
Which of these might be used to treat wastewater from a house on a farm?
a) a large sewer system b) a septic system c) a small dam d) a desalination plant
What is the most important use of water in your daily life?
a) washing cars b) irrigating the food crops that you eat c) transporting products you use each day d) moving nutrients through your body
Which water cycle process forms clouds?
a) evaporation b) condensation c) precipitation d) transpiration
In which water cycle process does liquid water becomes water vapor?
a) condensation b) evaporation c) precipitation d) transpiration
Which of these correctly describes the water on Earth?
a) about 3% fresh water and 97% salt water b) about 24% fresh water and 76% salt water c) about 76% fresh water and 24% salt water d) about 97% fresh water and 3% salt water
Most of Earth's fresh water is found in
a) glaciers and icebergs b) rivers and streams c) ponds and lakes d) aquifers and springs
Water is important because it
a) is necessary for life b) never changes its form c) covers 1/4 of Earth's surface d) always exists in a liquid state
An increase in temperature can cause liquid water to change to
a) ice cubes b) water vapor c) rain d) sleet
Which water cycle process is rain?
a) precipitation b) evaporation c) condensation d) transpiration
Bodies of surface water are called
a) aquifers and impermeable rocks b) ponds and impermeable rocks c) lakes and ponds d) aquifers and streams
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