RI 4.2 Tri 1 Test A

According to the passage, what currently lives in the caves at Carlsbad Cavern National?

• Native Americans

• Bats

• Bears

• Explorers

What does the author describe at the beginning of the passage?

• how speleothems are formed

• the formation of limestone caves

• fossils found in Carlsbad Caverns

• watching bats at Carlsbad Cavern

Limestone deposits can help researchers learn about what the area was like thousands of years ago. What evidence from the passage best supports this conclusion?

• Limestone can contain fossilized plants and animals.

• Acid can slowly dissolve limestone to form winding caves.

• Limestone is typically made up of coral fragments

• Many caves around the world exist in limestone deposits.

“At the entrance to the cave, there’s stadium seating for visitors to watch the bats.” Based on this information, what can you conclude about the popularity of the bats at Carlsbad Cavern?

• The bats are not a popular attraction at Carlsbad Cavern.

• People go to Carlsbad Cavern to see the caves, not the bats.

• The bats are a popular attraction at Carlsbad Cavern.

• Most people who visit Carlsbad Cavern don't know about the bats.

What is the passage mostly about?

• Laurel Mathews' family vacation

• how bats navigate using sound

• how speleothems are formed

• caves at Carlsbad Cavern National Park

Read the following sentences: “The caverns, located in a United States National Park, are home to around 400,000 Mexican free-tailed bats that fly out into the night sky each evening at dusk to feed on nearby moths and insects, returning at dawn to their caves. The spectacle draws crowds from around the world into the Chihuahuan Desert, where the park is located.”

As used in this sentence, what does the word “spectacle” mean?

• a very impressive show

• something that happens irregularly

• something that happens at night

• something that people watch with glasses

Choose the answer that best completes the sentence below.

__________, Laurel did not think the Carlsbad Cavern National Park looked very spectacular, but her opinion changed after she explored the caves.

• For instance

• Initially

• Particularly

• Therefore

What are speleothems?

• Mineral baths

• Mineral water

• Mineral deposits

• Coral

The Limestone caves at Carlsbad Cavern were formed

• by earthquakes opening caverns

• by prehistoric coral reef that dissolved by water.

• by lava flows that melted rocks.

• by man-made dynamite explosions.

What ancient artifacts were found in the Carlsbad Cavern?

• a pine forest

• ancient ice age animal fur.

• a stone scraper.

• a soccer ball.