<p>Mr. Storie 20S Science Final Exam Review 20S SCIENCE FINAL EXAM PROBLEM REVIEW SHEET:</p><p>THIS REVIEW IS FOR MARKS. EVERY CLASS WILL BE CHECKED FOR A NEW COMPLETE SECTION OF REVIEW, BEGINNING WITH CHEMISTRY.</p><p>**THIS IS NOT A COMPLETE REVIEW. CONTINUE TO READ ALL COURSE NOTES, GO OVER ALL WORKSHEETS, AND HANDOUTS TO BE BETTER PREPARED.</p><p>CHEMISTRY PROBLEMS </p><p>1. How do determine the number of protons in an atom?</p><p>2. Explain the steps to naming a covalent compound.</p><p>3. What is the difference between covalent and ionic compounds? Give 2 examples.</p><p>4. Name 5 families on the periodic table. Why are elements organized this way?</p><p>5. Write the alphabet formula for each of the following reaction types: a. Addition (synthesis)</p><p> b. Decomposition</p><p> c. Single replacement</p><p> d. Double replacement</p><p> e. Combustion</p><p>6. Explain the term diatomic and name the molecules that show this property.</p><p>7. Name 4 characteristics for acids and 4 characteristics for bases</p><p>8. Draw a Bohr diagram for potassium and fluorine.</p><p>9. Draw a Lewis (Electron Dot) diagram for the formation of a covalent bond between carbon and two oxygen.</p><p>10. Write formulas for the following and label as covalent or ionic: a. Carbon tetrachloride</p><p> b. Iron (III) sulfide</p><p> c. Sodium nitride</p><p> d. Diphosphorous trioxide</p><p> e. Beryllium Sulfide Mr. Storie 20S Science Final Exam Review 11. Name the following and label as covalent or ionic: a. N2O5</p><p> b. SiO</p><p> c. Li2O</p><p> d. Cr2O3</p><p> e. ZnO</p><p>12. Balance the following reactions and classify the reaction type:</p><p> a. H2 + O2  H2O</p><p> b. BCl3  B + Cl2</p><p> c. CH4 + O2  CO2 + H2O</p><p> d. Zn + PbO  ZnO + Pb</p><p> e. NaCl + CaBr2  CaCl2 + NaBr</p><p> f. Fe2O3 + H2  Fe + H2O</p><p> g. NaCl  Na + Cl2</p><p>TEXTBOOK QUESTIONS: p.276 #1-15, 17-20, 22(a,b,d), 23, 24, 26(c), 31, 38</p><p>ECOSYSTEMS PROBLEMS</p><p>1. Use your notes to help you fill in the blank space of each sentence with the most appropriate word:</p><p> a. Producers take ______from the atmosphere to use in the process called ______. </p><p> b. Carbon dioxide released into the atmosphere by burning of fossil fuels is called ______.</p><p> c. ______is the process in which bacteria convert dead matter back into N2 in the atmosphere.</p><p> d. ______is the process where bacteria convert atmospheric nitrogen into ______.</p><p> e. During photosynthesis, ______are produced and ______is released into the atmosphere.</p><p> f. Both natality and ______occur to increase the population size.</p><p> g. When members of a population leave to a new area, this is called ______.</p><p> h. The maximum number of a species supported by the ecosystem is referred to as ______. Mr. Storie 20S Science Final Exam Review i. Bacteria in the soil act as the ______in the food web.</p><p> j. A ______allows for migration of individuals, as well as, natality and mortality.</p><p> k. Unlike cows or wolf, humans would be described as ______, based on their diet.</p><p> l. A pyramid shaped measure of the mass of dry matter contained in a group of living things is ______.</p><p> m. A species that is close to extinction is ______.</p><p> n. A species not in imminent danger of extinction, but has severely low numbers is ______. </p><p> o. Raccoons will eat almost anything. They are most accurately called ______. </p><p> p. If you consume only peanuts you would be a ______. </p><p>2. Construct a food chain. Include one species from 4 different trophic levels: Tertiary consumer, primary consumer, producer and secondary consumer. Label each level with as much detail as you can.</p><p>3. Use a diagram and one example to explain the concept of bioaccumulation.</p><p>4. Explain how the following are density dependent or density independent factors: a. Competition</p><p> b. Disease</p><p> c. forest fire</p><p> d. pollution</p><p>5. Briefly describe (or draw pictures of and label) the major steps in the:</p><p> a. carbon cycle</p><p> b. nitrogen cycle</p><p>TEXTBOOK QUESTIONS: p.130 #1-6, 9-18, 21-26, 29-35, 37-39, 43, 45, 48-50, 54, 55 Mr. Storie 20S Science Final Exam Review PHYSICS PROBLEMS</p><p>1. Describe the word momentum, and give example of objects that have large, small and zero momentum.</p><p>2. Briefly describe each of Newton’s 3 laws of motion. Give an example for each.</p><p>3. Explain the forces involved, when jumping out of a boat causes the boat to move backwards. Use pictures to help explain which of Newton’s Laws are applied here.</p><p>4. Calculate the average speed for both the cyclist and the roller coaster</p><p>5. Examine each P-T graphs below, and describe the following features: a. Slope of the graph (positive/zero/negative; increasing/constant/decreasing)</p><p> b. Speed (increasing/decreasing/constant)</p><p> c. Direction of motion (right/left; away/towards observer)</p><p> d. Velocity of the object (positive/zero/negative; increasing/constant/decreasing)</p><p>A. B. C. D.</p><p> d d d d</p><p> t t t t</p><p>6. From the above 4 graphs, construct the appropriate V-T and A-T graphs.</p><p>7. Using the following dot pattern, explain the motion of the object at each number:</p><p>1 2 3 4 5 6 7                       Mr. Storie 20S Science Final Exam Review 8. Fill in the blanks on the following chart: Distance Time Velocity 10.5 m 4.3 s 8.2 s 25 m/s 164 km 110 km/h</p><p>9. Calculate the speed of sound (m/s), given that a clap of thunder is heard by an observer 1.5 km away, 4.6 s after the lightning that produced the sound is seen.</p><p>10. Calculate the distance in kilometers from Earth to the Moon, given that radio waves traveling at the speed of light (3.0 x 105 km/s) take 1.28 s to cover this distance.</p><p>11. A car is leaving the city and traveling north. As it enters a highway the driver accelerates at + 4.0 m/s2 for 5 seconds. What is the change in velocity of the car?</p><p>TEXTBOOK QUESTIONS: p.316 #1, 3, 7-10 p.350 #7, 10, 11 p.414 #1-5, 11, 14, 15, 17, 18, 22, 25</p><p>WEATHER PROBLEMS</p><p>1. Define electromagnetic radiation. Give examples.</p><p>2. Define albedo. Give examples.</p><p>3. How does albedo affect climate?</p><p>4. Wind (air) moves from _____ to ______pressure.</p><p>5. Draw and explain a convection current.</p><p>6. What causes global wind current patterns?</p><p>7. What causes global ocean current patterns?</p><p>8. Define: front, cold front, warm front, occluded front.</p><p>9. Draw and label a diagram of the layers of the atmosphere (thermosphere, troposphere, stratosphere)</p><p>10. How does water being a heat sink affect the weather of a coastal region?</p><p>TEXTBOOK QUESTIONS: p.562 #1-8, 10-15, 17-20, 23, 25, 26, 30-38, 43, 44, 46-48</p>