Biodiesel Adventure Parts 3-4

123456789101112131415161718
Across
  1. 3. the line that separates two countries
  2. 4. a unit used to measure temperature
  3. 5. an official worker, especially in the military or police
  4. 11. strange, weird, not normal
  5. 12. to ask if someone wants something
  6. 14. how hot or cold something is
  7. 15. to make warmer
  8. 16. an amount of work
  9. 17. more than two, but less than many
Down
  1. 1. to demonstrate using evidence
  2. 2. extreme or very difficult
  3. 6. completely changed from liquid to solid
  4. 7. the physical state or situation
  5. 8. a place that receives very little rain
  6. 9. the area that covers Eastern Russia
  7. 10. a device used for cooking or heating
  8. 13. the process of changing from water to ice
  9. 18. a group of people with similar physical traits, especially skin color