CK-12 Life Science For Middle School chap 1 vocab

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Across
  1. 2. A microscope that allow biologists to see small details of a specimen.
  2. 3. Explanation of how populations of organisms can change over time.
  3. 5. Using scientific discoveries to solve practical problems.
  4. 6. Include any biological material that could make someone sick.
  5. 7. A microscope that slides a beam of electrons across the surface of a specimen, producing detailed maps of the shapes of objects.
  6. 9. The study of living organisms, and how they interact with each other and their environment.
  7. 10. A process used to investigate the unknown.
  8. 14. The observations a scientist makes during an experiment.
  9. 15. Well established and tested explanations of observations or evidence.
  10. 18. Any substance in directly causing cancer.
Down
  1. 1. A chemical that could cause deformities.
  2. 3. A microscope that focuses a beam of electrons through an object and can make an image up to two million times bigger, with a very clear image.
  3. 4. The source of most scientific theories and new knowledge.
  4. 8. A technology for studying small objects using microscopes.
  5. 11. A tool used to make things that are too small to be seen by the human eye look bigger.
  6. 12. An educated guess that tries to explain an observation.
  7. 13. This says that cells are the basic units of structure and function in an organism.
  8. 15. A microscope that uses sound waves to scan a specimen.
  9. 16. Scientist who work outdoors.
  10. 17. A test to see if a hypothesis is right or wrong.