1. Study Guide Answers

2. 1. 0 Zoology- study of animals 0 Botany- study of plants 0 Ecology- study of how organisms interact in their environment 0 Anatomy- study of body structure 0 Microbiology- study of microscopic organisms

3. 2. 0 Problem/observation 0 Hypothesis 0 Experiment (2 groups: control, experimental) 0 Analyze data (graphs, charts, tables) 0 Conclusion

4. 3. 0 Grow/develop 0 Use energy (metabolism) 0 Reproduce 0 Have adapations 0 Evolve 0 Respond to stimuli 0 homeostasis

5. 4. 0 The independent variable is what changes during an experiment 0 The dependent variable is what’s measured 0 Control group does not receive any treatment, it is used for comparison of the experimental groups

6. 5. 0 Wear goggles 0 Don’t horseplay 0 Waft when smelling liquids 0 Wear closed-toe shoes and appropriate clothing 0 Don’t clean broken glass, ask the teacher to do it 0 Pull hair back 0 Clean up when done 0 Don’t eat or drink in the lab

7. 6. 0 The smallest unit of matter

8. 7. 0 Protons have a positive charge and are located in the nucleus 0 Neutrons have no charge and are located in the nucleus 0 Electrons have a negative charge and are found in the electron cloud.

9. 8. 0 Isotopes have a different number of neutrons than protons

10. 9. 0 covalent bonds share electrons (ex. Water)

11. 10. 0 Has ions which are gained or lost during bonding (ions are electrons)

12. 11. 0 Covalent bonds are the strongest

13. 12. 0 The atomic number gives the number of protons

14. 13. 0 The atomic mass is the sum of protons and neutrons

15. 14. 0 Subtract the number of protons from the atomic mass

16. 15. 0 Atomic number= 2 0 Electrons=2 0 Neutrons= 2 0 Atomic mass= 4.002 0 Protons=2

17. 16. 0 carbon

18. 17. 0 Carbon 0 Hydrogen 0 Oxygen 0 nitrogen

19. 18. 0 Carbohydrates 0 Lipids 0 Proteins 0 Nucleic acids

20. 19. 0 Carbon, hydrogen, oxygen

21. 20. 0 Carbohydrates- provide energy 0 Lipids- store energy 0 Proteins- transport, support, speed up chemical reactions 0 Nucleic acids- store genetic information; make proteins

22. 21. 0 Carbohydrates= monosaccharides 0 Lipids- triglycerides 0 Proteins- amino acids 0 Nucleic acids- nucleotides

23. 22. 0 A smaller unit of a polymer

24. 23. 0 A large molecule composed of many small units called monomers

25. 0 Practice conversions