The Rainforest's Hidden Cities

1. 1. Part A According to paragraph 2, why is searching for ruins in a rainforest "slow, difficult work?"

• A. It takes years to collect the equipment needed for a search.

• B. The region is difficult to explore.

• C. Archaelologists must make a map of the area.

• D. The Maya buried structures deep inside the thick forest.

1. 1. Part B Which key detail from the text best supports your answer in Part A?

• A. "...the Maya the people who built these structures."

• B. "Yet no one knows for sure why their empire didn't last."

• C. "The remains of these cities may give clues."

• D. "...poisonous snakes, swarms of bees, and hot, moist air."

2. 2. Which phrase helps you know what laser beams means in paragraph 3?

• A. "attached to the bottom of the helicopter"

• B. "quick, powerful rays of light"

• C. "narrow enough to pass through openings"

• D. "the shape of the ground"

3. 3. Why did the PACUNAM Foundation and a group of archaelogists work together to map the forest floor?

• A. Locating Mayan ruins benefited both groups, helping one to preserve the ruins and the other to study it.

• B. Both groups wanted to explore the natural landscape of the rainforest.

• C. One mapped half of the structures they found, while the other team mapped the other half.

• D. Neither group wanted special events to celebrate the work they did.

4. 4. Which statement describes an idea from paragraph 5?

• A. An archaelogist studied a LiDar map to prove that 27 shapes in the forest were natural parts of the landscape.

• B. The 27 large structures discovered on a LiDAR map proved that the forest was easy to travel through.

• C. A LiDAR map showed that 27 structures on the ground were probably platforms for Mayan events.

• D. The forest was not very thick, so a LiDAR map was easily able to show 27 large shapes.

Finding more than 61,000 structures was a(n)_____________ to researchers because, as the text states, when they first set out to map the forest _____________, they expected LiDAR to find only "some ruins."

• surprise; floor

• prediction; trail

• expectation; path

• anticipation; sky

Researchers knew that locating the ruins in a rainforest was "slow, _____________ work" and that ruins were almost "_______________ to see from the ground."

• easy; clear

• difficult; impossible

• simple; possible

• exciting; funny