Exploring the Ocean

Question 1

Which statement best describes what scientists currently know about the deep ocean?

Accepted Answer

Only a tiny portion of the deep ocean has been studied; most of it is still unexplored.

Answer

Scientists have fully explored the deep ocean, so we know every species that lives there.

Answer

The deep ocean has been mapped in detail using satellites, so no unknown areas remain.

Answer

Exploration of the deep ocean is complete because pressure no longer challenges researchers.

Question 2

Which two of the following are tools that scientists use to explore the ocean?

Accepted Answer

Submarines and remotely operated vehicles (ROVs)

Answer

Scuba gear and fishing nets

Answer

Satellites and fishing rods

Answer

Sonar and telescopes

Question 3

Maria wants to study the deep‑sea floor and the creatures that live there. Which two tools could she actually use together for that purpose? A) Submarine and satellite B) ROV and satellite C) Submarine and ROV D) Scuba tank and weather balloon

Accepted Answer

Submarine and ROV

Answer

Submarine and satellite

Answer

ROV and satellite

Answer

Scuba tank and weather balloon

Try three questions

Which statement best describes what scientists currently know about the deep ocean?

Which two of the following are tools that scientists use to explore the ocean?

Maria wants to study the deep‑sea floor and the creatures that live there. Which two tools could she actually use together for that purpose? A) Submarine and satellite B) ROV and satellite C) Submarine and ROV D) Scuba tank and weather balloon

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