The Answers are:
1. Which would best model the motion of P waves? (1 point)
Answer: pulling one end of a spring and releasing it
2. Which best describes how seismologists locate the epicenter of an earthquake? (1 point)
Answer: They calculate the difference in times between the arrival of different waves to determine the distance to the epicenter
3. The 1980 Mount Saint Helens eruption was the most destructive volcanic eruption in U.S. history. Which statement best describes one major change in strategy that scientists made to reduce the effects of a future eruption from Mount Saint Helens? (1 point)
Answer: Scientists dramatically increased the number of seismographs monitoring the volcano’s activity to warn people to evacuate the area.
4. Clara lives on the coast of Florida. Her news station predicted the arrival of a hurricane with maximum sustained winds of 101 mph (163 km/hr). Which category of a hurricane is approaching? (1 point)
Answer: Category 2
5. When a tropical depression gains strength, what does it become?
(1 point) Answer: a tropical storm
6. Use the scenario to answer the question.
In order to prepare for a real hurricane, some agencies work together to respond to a fictional hurricane.
What is this called? Answer: a simulation
7. Which weather forecast would most likely improve catastrophic drought conditions of an area? (1 point) Answer: “moderate-to-heavy rain expected”
8. Which weather condition significantly increases the probability of a catastrophic wildfire? (1 point) Answer: strong winds
9. Which type of activity will they target to help prevent the spread of fires?
Answer: careless actions with campfires
10. Why do drought conditions increase the chances that a wildfire will spread? (1 point) Answer: Vegetation becomes dry and can catch fire more easily.
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To verify if the given answers are correct, let's go through each question and its explanation:
1. Which would best model the motion of P waves? (Answer: pulling one end of a spring and releasing it)
This answer is correct. P waves are a type of seismic wave that cause particles to move back and forth in the same direction as the wave itself. Pulling one end of a spring and releasing it creates a similar motion.
2. Which best describes how seismologists locate the epicenter of an earthquake? (Answer: They calculate the difference in times between the arrival of different waves to determine the distance to the epicenter)
This answer is correct. Seismologists use the arrival times of different seismic waves, such as P waves and S waves, at various seismograph stations to determine the distance to the epicenter. By triangulating this information from multiple stations, they can locate the epicenter.
3. The 1980 Mount Saint Helens eruption was the most destructive volcanic eruption in U.S. history. Which statement best describes one major change in strategy that scientists made to reduce the effects of a future eruption from Mount Saint Helens? (Answer: Scientists dramatically increased the number of seismographs monitoring the volcano’s activity to warn people to evacuate the area.)
This answer is correct. After the devastating eruption of Mount Saint Helens in 1980, scientists increased the number of seismographs to improve monitoring of the volcano's activity. This helped in providing early warnings and evacuations to reduce the impact of future eruptions.
4. Clara lives on the coast of Florida. Her news station predicted the arrival of a hurricane with maximum sustained winds of 101 mph (163 km/hr). Which category of a hurricane is approaching? (Answer: Category 2)
This answer is correct. Hurricanes are classified into categories based on their maximum sustained wind speeds. Category 2 hurricanes have wind speeds ranging from 96 to 110 mph (154 to 177 km/hr).
5. When a tropical depression gains strength, what does it become? (Answer: a tropical storm)
This answer is correct. When a tropical depression intensifies, with sustained winds reaching 39 mph (63 km/hr), it becomes a tropical storm.
6. In order to prepare for a real hurricane, some agencies work together to respond to a fictional hurricane. What is this called? (Answer: a simulation)
This answer is correct. When agencies simulate and practice their response strategies for a hypothetical hurricane, it is referred to as a simulation.
7. Which weather forecast would most likely improve catastrophic drought conditions of an area? (Answer: “moderate-to-heavy rain expected”)
This answer is correct. In areas experiencing catastrophic drought conditions, a weather forecast of moderate-to-heavy rain is likely to bring relief and help improve the situation.
8. Which weather condition significantly increases the probability of a catastrophic wildfire? (Answer: strong winds)
This answer is correct. Strong winds can cause wildfires to spread rapidly, making them more difficult to control and extinguish.
9. Which type of activity will they target to help prevent the spread of fires? (Answer: careless actions with campfires)
This answer is correct. To prevent the spread of fires, authorities target careless actions with campfires, as they can be a major cause of wildfires if not properly handled.
10. Why do drought conditions increase the chances that a wildfire will spread? (Answer: Vegetation becomes dry and can catch fire more easily.)
This answer is correct. During drought conditions, lack of rainfall leads to dry vegetation, which acts as fuel for wildfires. Dry vegetation ignites more easily, contributing to the increased spread of wildfires.
Based on the explanations provided, the answers appear to be correct.