Question

1. what is tephra?

a. a type of lava tube
b. volcanic ash and cinder
c. a type of volcanic rock
d. a volcanic gas

1. what is a \stone wind\ in relation to volcanoes?

a. regular wind patterns around volcanoes
b. cold mountain breezes
c. wind loaded with volcanic ash and pumice
d. underground air currents

1. what is an extinct volcano?

a. a volcano that erupted recently
b. a volcano that will never erupt again
c. a volcano that erupts frequently
d. a volcano that erupts underwater

1. how is a dormant volcano different from an extinct volcano?

a. it erupts more frequently
b. it has never erupted
c. it could potentially erupt again
d. it only produces steam

1. what are lava tubes?

a. scientific instruments
b. underground pathways for flowing lava
c. volcanic measuring tools
d. types of volcanic rocks

1. what is pahoehoe?

a. a type of volcanic gas
b. a measurement tool
c. a type of lava flow
d. a volcanic mountain

1. how do volcanologists monitor volcanic activity?

a. only through satellite imagery
b. by using scientific methods and instruments
c. by counting earthquakes
d. through weather patterns

Explanation:

• For question 8: Tephra is composed of volcanic ash and cinder.
• For question 9: A "stone wind" is wind loaded with volcanic ash and pumice.
• For question 10: An extinct volcano is one that will never erupt again.
• For question 11: A dormant volcano could potentially erupt again while an extinct one won't.
• For question 12: Lava tubes are underground pathways for flowing lava.
• For question 13: Pahoehoe is a type of lava flow.
• For question 14: Volcanologists use scientific methods and instruments to monitor volcanic activity.

Answer:

1. b. Volcanic ash and cinder
2. c. Wind loaded with volcanic ash and pumice
3. b. A volcano that will never erupt again
4. c. It could potentially erupt again
5. b. Underground pathways for flowing lava
6. c. A type of lava flow
7. b. By using scientific methods and instruments