LEAPES Summer Assignments Week 1 Textbook Read pages 1-15 Flashcards for vocabulary words: 1. science 2. observation 3. inference 4. hypothesis 5. controlled experiment 6. independent variable 7. dependent variable 8. control 9. data 10. theory 11. bias Analysis Questions 1. Why is there uncertainty in science? 2. What is the difference between an observation and inference? Give three examples of each. 3. In the controlled experiment: Does temperature affect plant growth? Identify the following: a. independent variable b. dependent variable c. control group 4. What is the difference between quantitative and qualitative data? Give an example of each. 5. Why is it important for a scientist to be curious, skeptical, open-minded, and creative? 6. How has technology impacted science? Give an example. 7. Why are peer reviews important in reducing bias in science? 8. How is the term theory misused in everyday language? 9. What are the limitations of science? 10. A study shows that a new pesticide is safe for use on food crops. The researcher who conducted this study works for the pesticide company. What possible biases may exist in the reporting of this study? Week 2 Textbook Read pages 16-25 ` Flashcards for vocabulary words: 1. biology 2. DNA 3. sexual reproduction 4. asexual reproduction 5. homeostasis 6. metabolism 7. biosphere Analysis Questions 1. What is BPA? Who do you think should fund safety studies on its use? 2. What are the characteristics that all living things have in common? 3. How can DNA inside your cells influence your future? 4. How do living things obtain material to produce energy? 5. What can result from a failure to maintain homeostasis? 6. How are all living things connected? Give an example. 7. Choose a field of biology and describe its approach to studying life. 8. Convert the following: 25.89 meters = _____________kilometers 9,890 mg = _____________grams 1000 cubic cm = _________________mL 9. Define each prefix related to the metric system using a numerical value a. mega b. kilo c. deci d. micro e. centi f. deca 10. What is the most important safety rule to follow in a science classroom? Why? Week 3 Textbook Complete pages 28-31 Chapter 1 Assessment Chapter 1 Mystery Standardized Test Prep Week 4 Textbook Read pages 34-44 Flashcards for vocabulary words: 1. atom 2. nucleus 3. electron 4. element 5. isotope 6. compound 7. ionic bond 8. covalent bond 9. molecule 10. Van der Waals forces 11. cohesion 12. adhesion 13. solution 14. solute 15. solvent 16. suspension 17. pH scale 18. acid 19. base 20. buffer Analysis Questions 1. Which subatomic particles are found in the nucleus of an atom? 2. Why are atoms always neutral? 3. What is the difference between a compound and element? 4. How are isotopes of an element similar? Different? 5. What are radioactive isotopes used for? 6. Describe the bonding that takes place in a molecule of salt and water. 7. How does the Tokay Gecko scale a wall? 8. Why is water considered a polar molecule? 9. How does water’s high heat capacity allow for life on Earth? 10. Draw a pH scale containing 6 substances. Label the acids and bases appropriately. Week 5 Textbook Read pages 45-53 Flashcards for vocabulary words: 1. monomer 2. polymer 3. carbohydrate 4. monosaccharide 5. lipid 6. nucleic acid 7. nucleotide 8. proteins 9. amino acids 10. chemical reaction 11. reactants 12. products 13. activation energy 14. catalyst 15. enzymes 16. substrates Analysis Questions 1. What two characteristics make carbon important to living things? 2. What is the difference about the structure of methane compared to acetylene and butadiene? 3. Define polymerization. 4. How are carbohydrates important to living things? 5. Which two subunits make up lipids? What does it mean to be a saturated or unsaturated fat? 6. Draw a nucleotide and label its parts. 7. How are proteins important to living things? 8. Discuss the four levels of structure found in proteins. 9. Describe the reaction that involves hydrogen and oxygen gases. 10. What are enzymes and give a specific example of how they are needed in the human body. Week 6 Textbook Complete pages 56-59 Chapter 2 Assessment Chapter 2 Mystery Standardized Test Prep Week 7 Textbook Read pages 190-207 Flashcards for vocabulary words: 1. cell 2. cell theory 3. cell membrane 4. nucleus 5. eukaryote 6. prokaryote 7. cytoplasm 8. organelles 9. vacuoles 10. lysosomes 11. cytoskeleton 12. centrioles 13. ribosomes 14. ER 15. golgi apparatus 16. chloroplasts 17. mitochondria 18. cell wall 19. lipid bilayer 20. selectively permeable Analysis Questions 1. How did Hooke, Van Leeuwenhoek, Schleidan, Schwann, and Virchow contribute to the development of the cell theory? 2. How are compound light microscopes and stains important tools when studying life? 3. What is the difference between a scanning and tranmission electron microscope? 4. List three differences between prokaryotes and eukaryotes. 5. Describe the structure of the nucleus using the terms nuclear envelope and pore, chromatin, chromosomes, and nucleolus. 6. How is the lysosome like a custodian in our school? 7. Contrast between microfilaments and microtubules. 8. What is the difference between rough and smooth ER? 9. How are chloroplasts and mitochondria similar? 10. Describe the structure of the cell membrane and why it is considered selectively permeable. Week 8 Textbook Read pages 208-223 Flashcards for vocabulary words: 1. diffusion 2. facilitated diffusion 3. aquaporins 4. osmosis 5. isotonic 6. hypertonic 7. hypotonic 8. osmotic pressure 9. tissue 10. organ 11. organ system 12. receptor Analysis Questions 1. How does simple diffusion and facilitated diffusion illustrate passive transport? 2. How does a plant and animal cell respond differently to osmosis? 3. How does active transport differ from passive transport? 4. Describe the two types of endocytosis as well as exocytosis. 5. What does the term specialized mean? 6. Draw a concept map relating the following terms: organ, tissue, organelle, cell, organism, organ system 7. How are receptors important to cell functioning? Complete the following: Chapter 7 Assessment Chapter 7 Mystery Standardized Test Prep