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2. THIS IS JEOPARDY

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4. Process Standards JEOPARDY Ways of Know-A Ways of Know-B Inquiry-C Inquiry-D Tech-E Tech-F 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500

5. Which statement provides an explanation rather than a description? The water boiled because its molecules were moving faster. The temperature of the water was 100 Celsius when it boiled. The scientist used a stopwatch to measure how long the water took to boil away. The scientist heated a beaker with 500mL of water until the water boiled. A 100

6. A. The water boiled because its molecules were moving faster. A 100

7. A group of students is investigating what frogs eat. Each day the students observe a group of frogs in a local pond. What is it important for the students to carefully record their observations? Frogs are in danger of becoming an endangered species. Readers will help create a more frog-friendly environment. Other scientists will know exactly what the students observed. The students will be able to obtain support from the government. A 200

8. C. Other scientists will know exactly what the students observed. A 200

9. Which best explains why scientists need to keep accurate records of their work? It makes science appear more interesting. It helps organizations to keep track of al expenses. It allows other scientists to repeat their experiments. It is a government requirement for scientific experiments. A 300

10. C. It allows other scientists to repeat their experiments. A 300

11. Which is an important characteristic of scientific thinking? Secretive Skeptical Optimistic Emotional A 400

12. B. Skeptical A 400

13. Scientists keep accurate records when they are conducting an investigation. Provide two reasons why it is important that scientists keep clear, thorough and accurate records. A 500

14. With accurate records, a scientist can repeat the experiment or investigation to see if he or she obtains the same results. • With accurate records, other scientists can repeat the same experiment or investigation to see if they obtain similar or identical results. • With accurate records, scientists can see how their attitudes may have caused bias in the experiment. • With accurate records, other scientists can repeat the same experiment or investigation, reducing the risk of bias. • With accurate records, scientists have data to test theories and explanations. • With accurate records, scientists can study the exact relationship between different variables. • With accurate records, scientists can prove or disprove a hypothesis. A 500

15. A group of students is conducting an experiment. At the end of their experiment, they obtain unexpected results. What should they do next? • Conduct a different kind of experiment. • Ignore all of the results that were unexpected. • Repeat the experiment to see if they reach similar results. • Create a graph of their results and communicate it to others. B 100

16. C. Repeat the experiment to see if they reach similar results. B 100

17. What conclusion can best be reached from a study of the work of Michael Faraday, Elisha Gray, Rachel Carson, Dorothy Hodgkin, and Xie Xide? • The greatest scientists have come from the United States. • Men have made greater contributions to science than women. • Most important scientific discoveries have already been made. • People from many different cultures have contributed to science. B 200

18. D. People from many different cultures have contributed to science. B 200

19. A scientist is conducting an experiment on the effects of a new virus on people. Which practice by the scientist shows the scientist is biased? • The scientist studies the virus using a high-powered microscope. • The scientist uses only research by scientists holding similar views. • The scientist creates a statistical study of people exposed to the virus. • The scientist injects humans with the virus after fully explaining all risks. B 300

20. B. The scientist uses only research by scientists holding similar views. B 300

21. Why might other scientists be skeptical about the above claim? • The scientist was not born in the United States. • The scientist studied chemistry at a leading U.S. university. • The scientist wanted more money from the pharmaceutical company. • The scientist may be biased since he works for the company that will produce the drug. A scientist is employed by a pharmaceutical company. The scientist discovers a unique drug that can help people fall asleep within five minutes. The scientist claims there are no negative side-effects to using the drug. B 400

22. D. The scientist may be biased since he works for the company that will produce the drug. B 400

23. Men and women from all countries and cultures have made important contributions to the development of science. Identify two individual who have contributed to the development of science. For each individual you identify, describe one contribution that he or she made to the world’s scientific understanding. B 500

24. Alhazen - explained how lenses and the human eye operate. • Nicolaus Copernicus - hypothesized that planets move around the sun. • Galileo Galilei - used a telescope to study planets and performed experiments on motion. • Sir Isaac Newton - formulated the law of gravity and the laws of motion. • Sophie Germain - explained the vibration of elastic objects. • Michael Faraday - built the first electric motor • Louis Pasteur - explained how germs can cause certain diseases • George Washington Carver - developed new uses for food crops • Lise Meitner - showed it was possible to split the atomic nucleus • Barbara McClintock - explained how genes can turn on and off • Xie Xide - did research on solid-state physics and semi-conductors B 500

25. James hypothesizes that the number of flowers on a plant will increase if the water given to the plant is increased. He wishes to design an experiment to test his hypothesis. James has four pots of geraniums to use in this experiment. • What conditions should NOT be the same for the four plants in order to test James’s hypothesis? • The size of the plants. • The temperature of the water. • The number of hours in sunlight. • The amount of water they receive. C 100

26. D. The amount of water they receive. C 100

27. Why is an experiment still valuable even when it does not prove that the hypothesis it is testing is true? • It does not need to be repeated. • It shows the experiment was biased. • It does not need to be communicated to others. • It eliminates the hypothesis as a possible explanation. C 200

28. D. It eliminates the hypothesis as a possible explanation. C 200

29. What should a student do when heating a solution in a test tube? • Cork the test tube • Wear safety goggles • Point the test tube in any direction • Hold the test tube with two fingers C 300

30. B. Wear safety goggles C 300

31. DAILY DOUBLE DAILY DOUBLE Place A Wager C 400

32. A scientist is conducting an experiment on plant growth. What should the scientist do to find out how tall a plant grew each day? • Look at a leaf from the plant under the microscope. • Put the plant in a sunny place for an hour each day. • Measure the plant with a ruler at the same time each day. • Put the plant on a scale each day and weight it. C 400

33. C. Measure the plant with a ruler at the same time each day. C 400

34. A group of students were studying the effects of a new fertilizer on plant growth. They gave the same fertilizer to ten separate pea plants. Each plant was 20 cm high when the experiment began. At the end of six weeks, they measured the heights of the plants again. The table below shows the result of their measurements. • What was the mean height of the plants at the end of experiment? • 28 cm • 29.5 cm • 32 cm • 32.5 cm C 500

35. B. 29.5 cm C 500

36. A group of students were studying the effects of a new fertilizer on plant growth. They gave the same fertilizer to ten separate pea plants. Each plant was 20 cm high when the experiment began. At the end of six weeks, they measured the heights of the plants again. The table below shows the result of their measurements. • Based on the experimental results, which conclusion is most valid? • The fertilizer slowed down plant growth. • Fertilized plants grew between 44cm and 16 cm in length. • Other kinds of fertilizer D 100

37. B. Fertilized plants grew between 44cm and 16 cm in length. D 100

38. A student is conducting research on the life-cycle of stars. She decides to examine various studies of stars by leading scientists who used different telescopes. Why is it important that she look at the work of others? • She needs to repeat the experiment. • She needs to support her hypothesis. • She needs to learn how to interact with other scientists. • She needs to reduce the risk of bias in her observations. D 200

39. D. She needs to reduce the risk of bias in her observations. D 200

40. A group of eighth-grade students conduct an experiment in science class. Each student is shown at work by her or her work station. Which if these students is NOT practicing good laboratory safety? D 300

41. D 300

42. A scientist places five plants of equal size in identical pots. Each plant is placed in a separate room, kept at the same temperature, and given the same amount of water at the same time each day. Each plant is exposed to a different amount of light each day. At the end of 4 weeks, the scientist measures the height of each plant. • What is the dependent variable in this experiment? • The growth of each plant • The light each plant receives • The water each plant receives • The number of flowers of each plant D 400

43. A. The growth of each plant D 400

44. Almost every experiment begins with a scientist setting out to answer a particular question. Crate a question a scientist might investigate in an experiment about the health benefits of drinking milk. Describe how the scientist might change one variable in an experiment designed to answer this question. D 500

45. Examples of Questions: • Does drinking milk reduce cavities in teeth? • Does drinking milk help young children gain weight? • Does drinking milk help people to sleep better? • Does drinking mild help people to build stronger bones? • Does drinking milk increase a person’s calcium? • Examples of Variables: • How many glasses of milk a person drinks a day. • How often a person drinks milk • How many liters of milk a person drinks in a week. • An experimental group where people drink milk and control group where people drink none. D 500

46. Which is an undesirable consequence of increased automation? • New, highly-skilled jobs are created. • Manufacturing can proceed more quickly. • Factories can produce more goods at less cost. • Many jobs requiring manual labor have been lost. E 100

47. D. Many jobs requiring manual labor have been lost. E 100

48. A group of students is designing a product to help people hold water bottles while jogging. Plastic may be more harmful to the environment than paper. Why might the students still prefer to design their product out of plastic? • Plastic would be less expensive than paper. • The students have a limited time to make their design. • Plastic and paper holders could be made equally attractive. • A reinforced paper holder would be just as strong as a plastic one. E 200

49. A. Plastic would be less expensive than paper. E 200

50. Use the information in the box below to answer the question. • What conclusions can be drawn from these examples? • Mathematics has hardly changed since ancient times. • Advances in science and mathematics are often closely related. • Many cultures have contributed to advances in science and mathematics. • Ancient Greeks had little influence on the development of mathematics. Ancient Greece -------- Pythagorean Theorem Ancient India -------- Decimal Numbers 17th Century France ------- Cartesian Coordinates (X, Y) E 300