Question

cfa 2 - informational passage (affixes and context)
passage:
volcanoes can be both destructive and creative forces of nature. when they erupt, molten rock called lava flows across the surface, destroying anything in its path. yet over time, the cooling lava forms new land. many islands, such as hawaii, were created by volcanic activity. scientists who study volcanoes, called volcanologists, monitor them closely to predict when eruptions might occur.

1. the prefix volcano - in volcanologist refers to-

a. air pressure
b. fire or eruption
c. water movement
d. ice formation

1. the suffix - logist means-

a. person who studies
b. place that creates
c. type of eruption
d. dangerous event

1. what can the reader conclude about volcanoes?

a. they only cause harm.
b. they can destroy and create land.
c. they are rare events.
d. they have no benefits.

1. which phrase helps define lava?

a. \molten rock\
b. \flows across the surface\
c. \forms new land\
d. \predict when eruptions might occur\

1. what does monitor most likely mean in this passage?

a. observe carefully
b. block completely
c. escape from
d. control directly

Explanation:

1. The word "volcano" is related to volcanic activity which involves eruptions (fire - like events).
2. The suffix "-logist" is commonly used to denote a person who studies a particular field (e.g., biologist studies biology).
3. The passage clearly states that volcanoes can destroy (lava flows destroy things) and create (cooling lava forms new land).
4. The passage defines lava as "molten rock".
5. In the context of scientists studying volcanoes, "monitor" means to observe carefully to predict eruptions.

Answer:

1. B. Fire or eruption
2. A. Person who studies
3. B. They can destroy and create land
4. A. “Molten rock”
5. A. Observe carefully