Crispy Games

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Across
  1. 4. What layer of the Earth lies directly beneath the crust?
  2. 8. What organ in the human body is responsible for filtering blood?
  3. 12. What process allows plants to convert sunlight into food?
  4. 14. What gas do plants absorb from the air?
  5. 15. Which natural disaster is measured using the Richter scale?
  6. 16. What type of animal is a frog?
  7. 19. What famous ship sank after hitting an iceberg?
  8. 20. What term describes a government ruled by the people?
Down
  1. 1. What is the hardest natural substance on Earth?
  2. 2. What is the name of the study of the past based on written records?
  3. 3. What metal is liquid at room temperature?
  4. 5. What language originated in ancient Rome and influenced many modern languages?
  5. 6. Which ancient city was famously buried by the eruption of Mount Vesuvius in 79 AD?
  6. 7. What gas makes up most of Earth’s atmosphere?
  7. 9. Which desert is the largest hot desert in the world?
  8. 10. Which active NHL player has scored the most career points?
  9. 11. What is the largest organ in the human body?
  10. 13. Which Italian Renaissance artist painted the ceiling of the Sistine Chapel?
  11. 17. Which country has won the most FIFA World Cup titles?
  12. 18. Which Greek philosopher taught Alexander the Great and wrote extensively on logic, science, and ethics?