How Much Science Do You Know?

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Across
  1. 3. Largest mammal on earth. (2 words)
  2. 4. Is the natural science of matter and energy and the relationships between them.
  3. 5. Unit measurement of time.
  4. 8. The blue planet.
  5. 9. The common name for CO2. (2 words)
  6. 10. Star at the center of our solar system.
  7. 11. It is the name for the element and is represented by the symbol H.
  8. 12. Is the natural science of living organisms, divided into many specialized fields.
  9. 14. The resistance that one surface or object encounters when moving over another.
  10. 17. The ability to do work.
  11. 19. One of the 3 main states of matter.
Down
  1. 1. Negatively charged particles that circle the nucleus.
  2. 2. The common name for H2O.
  3. 6. The national animal of Thailand.
  4. 7. Device used to measure temperature.
  5. 9. Is a physical science that studies the composition, properties and behavior of matter.
  6. 11. Is a muscular organ that provides blood circulation.
  7. 13. The fundamental force of attraction that all objects with mass have for each other.
  8. 15. Is the basic unit of life.
  9. 16. Makes up 21% of the earth’s air.
  10. 18. Bones that cover the lungs.