| 1. One centimeter equals how many millimeter? |
| 2. 1 nm equals _____ mm |
| 3. How many millimeters are in a meter? |
| 4. The prefix milli means______ |
| 5. 2 g = ______ mg |
| 6. 2 mg = _______ g |
| 7. Water freezes at _____ ◦C |
| 8. Water freezes at _____ ◦F |
| 9. Water boils at _____ ◦C |
| 10. Water boils at _____ ◦F |
| 11. On page 8, Figure 2.10 of the lab report, 1. points to _______ |
| 12. On page 8, Figure 2.10 of the lab report, 2. points to _______ |
| 13. What are the essential steps of the scientific method? |
| 14. What is a hypothesis? |
| 15. Is it sufficient to do a single experiment to test a hypothesis? Why? |
| 16. What do you call a sample that goes through all steps of an experiment but does not contain the factor that is being tested? |
| 17. Why is it important to test one substance at a time when doing an experiment? |
| 18. The data show that vaccines protect people from disease (hypothesis, conclusion or theory). |
| 19. All living things are made of cells (hypothesis, conclusion or theory). |
| 20. Make the following conversion 1 mm = _______ cm |
| 21. Make the following conversion 5 g = _______ mg |
| 22. In the designation “compound light” microscope, “compound” means ______ |
| 23. In the designation “compound light” microscope, “light” means ______ |
| 24. What function is performed by the diaphragm of a microscope? |
| 25. What is it helpful for a microscope to be parafocal? |
| 26. Why is locating an object more difficult if you start with the high-power objective than with the low power objective? |
| 27. A virus is 50 nm in size. What would you use to observe it (a stereomicroscope, a light microscope, an electron microscope)? |
| 28. A virus is 50 nm. How many microns is the virus? |
| 29. If the diameter of field is 1.6 mm and you count 40 consecutive cells from one end of the field to the other, how wide is each cell in microns? |
| 30. Why type of microscope (other than the light microscope) would you use to observe organisms in pond water? |
