R/W DOL 1.29

What key idea is supported by the details in paragraphs 1 and 2?

• Humpback whales are enormous creatures capable of moving freely in the water.

• Humpback whales possess remarkable agility despite their immense size leading to various scientific applications.

• Scientists have devoted considerable time to studying humpback whales to gain deeper insights into them.

• Scientists are fascinated by the remarkable ability of such a massive animal to move effortlessly in the water.

The details in paragraph 3 support the key idea that Dr. Frank Fish -

• wanted to buy the humpback whale model in Boston

• wanted to explore more about the whales' fast moves

• was not able to comprehend for these whales having bumps

• was intrigued about the small bumps of the whale's flipper

This question has two parts. First, answer Part A. Then answer Part B. Part A In paragraphs 4 through 6, what key idea about how humpback whales move is best supported?

• It gives specific information about the structure of the whales' flippers.

• It explains how three different forces manipulate the whales' movements.

• It gives the reader information about how the artist created the model of these whales.

• It tells about how forces in the airplane wings work differently from the whales' movement.

Which sentence best supports your answer?

• 1. As a whale moves through the water, three forces act on the animal’s body and affect its movements. (paragraph 4)

• The first force is thrust, which moves the whale forward.  (paragraph 5)

• A humpback uses lift under one flipper or the other to turn.  (paragraph 5)

• … at some point the angle will create so much drag that the flipper will “stall,” or stop producing lift. (paragraph 6)

What key idea is supported by the details in paragraph 9?