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