6th Grade ELA – Post-test Assessment 4 redo

1. Question

Part A

How do paragraphs 1 through 5 contribute to the development of ideas in the article?

A. They show how dangerous alligators can be in an area with a high population.
B. They suggest that Dr. Soares often behaves in an unexpected manner.
C. They explain the circumstances that led to Dr. Soares’s curiosity about black bumps on alligators.
D. They provide reasons why Dr. Soares was highly qualified to conduct an experiment.

2. Question

Part B

Which piece of evidence best supports the answer to Part A?

A. “The gator had moved into an area where a lot of people live.” (paragraph 2)
B. “Why would she sit on an alligator?” (paragraph 2)
C. “Dr. Soares is a scientist.” (paragraph 3)
D. “‘What are those little spots for?’ she wondered.” (paragraph 3)

3. Question

Part A

Which information from the article does the author intend to support by including the photograph?

A. The difference in appearance between alligators and crocodiles.
B. The size and pattern of the bumps on an alligator’s jaw.
C. How an uneven jaw makes an alligator a more effective hunter.
D. How the bumps are affected by the size and shape of an alligator’s jaw.

4. Question

Part B

Which sentence from the article best supports the answer to Part A?

A. “She noticed many small black bumps on the animal’s face, especially along the jaws.” (paragraph 3)
B. “When a bird, mammal, or fish passes by, the reptile turns and snaps its huge jaws.” (paragraph 6)
C. “After the eggs hatched, she set up experiments to find out what type of sensors the black bumps were.” (paragraph 8)
D. “The reptile snapped at the water drop!” (paragraph 17)

5. Question

Part A

What is the meaning of sensor as it is used in paragraph 9 of the article?

A. A collection of nerves that sends signals to other animals.
B. A device that detects changes in the body.
C. A specialized body part that detects conditions outside of the body.
D. A large black bump that aids in hunting.

6. Question

Part B

How do the alligators’ sensors function according to the article?

A. They detect the depth of the water.
B. They help the alligator swim straight.
C. They help the alligator see in the dark.
D. They detect changes in water.

7. Question

Part A

Which statement best summarizes the process Dr. Soares follows in her laboratory experiment?

A. She began with an idea and conducted experiments until she found data that supported her idea.
B. She began with a test subject and conducted experiments until she discovered a special ability.
C. She began with a question and conducted experiments until she discovered evidence that provided an answer.
D. She began with data that offered an explanation and conducted experiments until she confirmed the data.

8. Question

Part B

Which two paragraphs from the article best support the answer to Part A?

A. Paragraphs 3 and 15
B. Paragraphs 4 and 9
C. Paragraphs 5 and 14
D. Paragraphs 6 and 17

9. Question

Part A

Which sentence states a central idea of the article?

A. Alligators and crocodiles are relatives, meaning knowledge about crocodiles helps scientists such as Dr. Daphne Soares learn about alligators.
B. Special features on an alligator’s jaw help them hunt, a discovery made by Dr. Daphne Soares through a series of experiments.
C. Animal researchers like Dr. Daphne Soares often find themselves in strange situations, such as sitting on top of an alligator in truck.
D. Scientists study alligators in laboratories by collecting eggs and hatching them, a method used by Dr. Daphne Soares in her research.

10. Question

Part B

Which sentence from the article best supports the answer to Part A?

A. “Dr. Daphne Soares was sitting on the back of an alligator tied up in the bed of a pickup truck.” (paragraph 1)
B. “To find out, she collected about 30 alligator eggs and took them to Woods Hole Oceanographic Institution in Massachusetts.” (paragraph 8)
C. “Since those experiments, Dr. Soares has also found pressure sensors in crocodiles, which are relatives of the alligator.” (paragraph 18)
D. “Now we know that they tell the alligator and its relatives just where and when to chomp.” (paragraph 19)