GRADE 4 HISTORY

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Across
  1. 2. To stay alive in a dangerous situation
  2. 6. Extremely tired or worn out
  3. 7. A very sad or disastrous event
  4. 9. A trip from one place to another
  5. 10. The natural world, including air, water, and land
  6. 13. Turned into ice due to extreme cold
  7. 14. Something newly created to solve a problem or improve life
Down
  1. 1. The group of people who work on a ship or aircraft
  2. 2. Protection from danger or harm
  3. 3. A person who designs or builds machines or systems
  4. 4. People who travel in a vehicle, ship, or plane
  5. 5. Harmful substances released into the air, water, or land
  6. 8. An underground passage for travel or transport
  7. 11. A new idea, method, or device that improves life
  8. 12. A sudden and dangerous situation needing quick action