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Y10 Caves

[edit]
  • Search online and see if you can find the article about caves we used earlier this week.
  • Copy and paste the following questions into a Word document and answer each.
  1. What shape is the Naica mining complex?
  2. What shape is the Cave of Crystals?
  3. What is the volume of the cave?
  4. What language is Majlis al Jinn and what do you think it means?
  5. Why do hungry glowworms glow more?
  6. How do they get their food?
  7. Do glowworms stay as worms forever?
  • Find the National Geographic article about the world's biggest cave, and copy/paste/answer the questions below.
  1. Where is Son Doong cave?
  2. What is its volume?
  3. Where was the previous world-record holding cave?
  4. How can people explore all of the cave?
  5. Where were the explorers from?
  6. Who found the cave and where were they from?
  7. What type of rock is the cave carved from, and what carved it?
  8. What are stalagmites and how are they made?
  9. Why was it only recently discovered?
  10. Where might larger caves be?
  • If you have time, find the link to the National Geographic photographs of the Cave of Crystals. Read the text and give your thoughts about Juan Manuel García-Ruiz's final question (page 6)?

Hints

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  • Oddee.com article
  1. The Naica mining complex, which yields lead, zinc, copper, silver, and gold, zigzags nearly half a mile underground.
  2. Deep inside Naica mountain, the Cave of Crystals is a horseshoe-shaped cavity in limestone rock about 30 feet (10 meters) wide and 90 feet (30 meters) long.
  3. Deep inside Naica mountain, the Cave of Crystals is a horseshoe-shaped cavity in limestone rock about 30 feet (10 meters) wide and 90 feet (30 meters) long.
  4. It is located in a remote area of the Selma Plateau at around 1600 meters altitude in The Sultanate of Oman.
  5. Then, the larva glows to attract prey into its threads, so that the roof of a cave is covered with larva can look remarkably like the heavens at night.
  6. To trap its prey it [the cave glow worm] goes fishing with a line of silk. That ghostly blue light is the result of a chemical reaction taking place inside a special capsule in its tail... Insects seem irresistibly drawn towards the source and then get trapped by the sticky lines. Once stuck, there is no escape. Now it's just a matter of reeling in the line and slowly consuming the catch - alive.
  7. Then, the larva glows to attract prey into its threads, so that the roof of a cave is covered with larva can look remarkably like the heavens at night.

Answers

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  1. Zigzags
  2. Horseshoe
  3. 10x10x30=3000m^3
  4. Arabic - Meeting Place of Spirits
  5. They glow to make insects fly to them.
  6. Insects fly into the sticky line of silk and then the glowworms pull them up and eat them.
  7. No. Larva are baby insects (e.g. caterpillars) that will change into a different-looking animal (e.g. butterflies).