Earth's Undersea World Vocabulary

Which word best describes a vehicle that can travel deep underwater for research purposes?

• Submersible

• Hydrothermal vent

• Seamount

• School

What is the term for a large number of ocean animals of one type swimming together?

• Rugged

• School

• Underlie

• Firsthand

Which word would you use to describe a surface that is rough and uneven?

• Submersible

• Rugged

• Hydrothermal vent

• Seamount

What is a hydrothermal vent?

• A small vehicle for underwater research

• A deep-sea geyser releasing hot, mineral-rich water

• An underwater volcano

• A large group of fish

Which word means to be located under something?

• Submersible

• Underlie

• Firsthand

• School

What does the word "firsthand" mean?

• Coming directly from actually seeing or experiencing something

• A small vehicle for underwater research

• A rough, uneven surface

• An underwater volcano

What is a seamount?

• A small vehicle for underwater research

• A deep-sea geyser

• An underwater volcano

• A large group of fish

Which word would best describe the action of someone who is speaking with difficulty and hesitation?

• Quizzed

• Whined

• Stammered

• Underlie

Which word signals a precise action of asking questions?

• Quizzed

• Whined

• Stammered

• Firsthand

Which word would you use to describe someone expressing dissatisfaction in a high-pitched voice?

• Quizzed

• Whined

• Stammered

• Rugged