Keeping an Eye on Volcanoes

Read this sentence from paragraph 1:

"Drones are a good tool for scientists to study erupting volcanoes because scientists can stay at a safe distance."

What is the author's purpose for including this sentence?

• to describe the history of drones

• to persuade the reader to use drones

• to give an opinion about drones

• to share a fact about drones

What is the author's purpose for including the names of the volcanoes in paragraph 2?

• to inform the reader of places where scientists used drones

• to persuade the reader that these are the best places to use drones

• to inform the reader about some of the most famous erupting volcanoes

• to persuade the reader that it is foolish to get close to some volcanoes

What idea does the author support with the facts in paragraph 3?

• Drones can look for volcanoes that might erupt soon.

• Scientists can learn when they should collect lava samples.

• Scientists can learn about the gases a volcano sends up.

• Drones can take better pictures before an eruption.

Which detail in the text supports the idea that drones are less likely to be ruined than other tools?

• Lava sometimes ruins tool on the ground. (paragraph 4)

• Drones' batteries do not last long. (paragraph 5)

• Scientists used drones to study volcanoes in Costa Rica. (paragraph 3)

• Drones collect samples of gases. (paragraph 3)

What is the author's claim in "Keeping an Eye on Volcanoes"?

• Their batteries don't last very long.

• A volcano sends up gases when it is about to erupt.

• Millions of people around the world live near active volcanoes.

• Drones are a good tool for scientists to study erupting volcanoes because scientists can stay at a safe distance.

PART B: Which statement from the text best supports your answer in Part A?

• "Other scientists did the same thing with volcanoes in Nicaragua and Costa Rica." (paragraph 3)

• "One reason why drones are a good tool for studying active volcanoes is that they can take close-up pictures and videos of eruptions without putting scientists in danger." (paragraph 2)

• "Scientists used drones to study the gases at the Manam volcano near the island of Papua New Guinea." (paragraph 3)

• "Scientists are still trying to figure out how to best use drones to study volcanoes." (paragraph 4)