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User: Imani Blackman WARNING: You must not leave this exam form! If you try to click back into this exam again prior to submitting, your access to it will be denied! S1a Segment One Exam Warning: There is a checkbox at the bottom of the exam form that you MUST check prior to submitting this exam. Failure to do so may cause your work to be lost. Top of Form THIS IS A TIMED EXAM! Click to see time remaining Question 1 (Multiple Choice Worth 2 points) [BWS.03]Which of these statements best explains why models are used to study the solar system? The solar system may be viewed differently using different instruments. The solar system may be visible on Earth only for a short period of time. The solar system is too large and distant to be viewed by everyone. The solar system is an imaginary area in space which does not actually exist. Question 2 (Multiple Choice Worth 2 points) [BWS.02]What is the role of science in society? it helps society make logical decisions it helps society believe in unobservable facts it helps society answer all questions about life it helps society to make decisions based on human opinions Question 3 (Multiple Choice Worth 2 points) [OU.03]The graph below shows the blackbody radiation curves for four stars. Based on the graph, which of these conclusions is correct? The hotter stars emit radiations of longer wavelengths. The hotter stars emit radiations of shorter wavelengths. The coolest stars have wavelengths between 300nm and 400 nm. The coolest stars have wavelengths between 400nm and 500 nm. Question 4 (Multiple Choice Worth 2 points) [CM.01]Jake designed an experiment to demonstrate interactions between Earth systems. He tied a clear plastic bag firmly around some leaves of a plant as shown below. After two days Jake observed some water droplets inside the plastic bag. What does Jake’s experiment best demonstrate? interactions between biosphere and atmosphere interactions between hydrosphere and geosphere interactions between geosphere and biosphere interactions between atmosphere and geosphere Question 5 (Multiple Choice Worth 2 points) [CM.01]Katie designed an experiment to show a water cycle process. The steps of the experiment are shown below. · Pour some water into a small plastic cup. · Place the cup carefully into a dry zip lock bag. · Zip the bag and keep it in the sun. · Observe that the water droplets are dripping from the top of the bag. Which of these processes in the water cycle is demonstrated by Katie in the experiment? runoff infiltration precipitation transpiration Question 6 (Multiple Choice Worth 2 points) [CM.06]The diagram below shows four altitude locations on a mountain. Which of these locations is most likely to experience the least amount of snow? Location A Location B Location C Location D Question 7 (Multiple Choice Worth 2 points) [CM.01]Look at the diagram below. Which process in the water cycle is shown by the arrow labeled P in the diagram? infiltration condensation precipitation Question 8 (Multiple Choice Worth 2 points) [OU.01]What best describes the angle between a changing electric field and the electromagnetic wave produced by it? always equal to a right angle always less than a right angle varies from parallel to perpendicular varies from perpendicular to parallel Question 9 (Multiple Choice Worth 2 points) [FW.02]Diana is studying four surface features of Florida. She classifies the surface features and places them in different columns of a chart as shown below. Surface Features Column 1 Column 2 Sinkholes Hot springs Caverns Geysers Which of these titles best represents Column 1 of Diana’s chart? formed by freezing groundwater formed by heating groundwater formed by evaporation of groundwater formed by chemical action of groundwater Question 10 (Multiple Choice Worth 2 points) [CM.01]The chart below describes the molecular motion in solids, liquids, gases, and plasma. Solids Liquids Gases Plasma slower than liquids, gases, and plasma slower than solids but faster than gases and plasma faster than solids but slower than plasma faster than solids, liquids, and gases The information in the chart about molecular motion is incorrect for solids liquids gases plasma Question 11 (Multiple Choice Worth 2 points) [FW.04]Which of these is the best method to solve the problem of water shortage in a location? use waste water for cooking purpose check and repair leaky plumbing regularly turn on the dishwater as soon as it is half full wash clothes in small batches in the washing machine Question 12 (Multiple Choice Worth 2 points) [BWS.03]A scientific law can be best described as an explanation of a specific relationship a series of observations with contradictory data a phenomenon which works under changing conditions a description of specific relationships under given conditions Question 13 (Multiple Choice Worth 2 points) [BWS.03]Which of these statements best describes how laws are different from theories? Laws are supported by data but theories are not supported by data. Theories are supported by data but laws are not supported by data. Theories are well supported explanations but laws are well supported descriptions. Laws are well supported explanations but theories are well supported descriptions. Question 14 (Multiple Choice Worth 2 points) [BWS.06]Terrance designed an experiment to show how heat can be transferred from one place to another. The steps of the experiment are shown below. · Place a lamp light on a table. · Place palm about 6 inches below the lamp light. · Feel the heat from the lamp light on the palm. What does Terrance’s experiment most likely demonstrate? heat transfer by radiation heat transfer by evaporation energy transfer by melting energy transfer by conduction Question 15 (Multiple Choice Worth 2 points) [BWS.02]Look at the spectrums of a star moving towards Earth and a motionless star. Which of these is a correct inference that can be draw from the observation of the two spectrums? The spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. The spectrum of a motionless star is identical to the spectrum of a star which moves towards Earth. The spectrum of a star shifts towards the red region when the star moves towards Earth. The spectrum of a star shifts towards the blue region when the star moves towards Earth. Question 16 (Multiple Choice Worth 2 points) [OU.04]Two satellites, Satellite 1 and Satellite 2 are at equal distances from Earth. If the mass of Satellite 2 is greater than the mass of Satellite 1, then Earth pulls Satellite 1 but Satellite 2 does not pull Satellite 1 Earth pulls Satellite 2 but Satellite 1 does not pull Satellite 2 Earth pulls Satellite 1 with a greater gravitational force than Satellite 2 Earth pulls Satellite 2 with a greater gravitational force than Satellite 1 Question 17 (Multiple Choice Worth 2 points) [BWS.03]Which of these statements is correct about a scientific theory? It proves that a scientific fact is universal and cannot be challenged. It is a fact which is accepted as soon as it is proposed by a scientist. It involves research over a long period of time to prove a phenomenon. It becomes a law when it cannot be proved incorrect by contradictory data. Question 18 (Multiple Choice Worth 2 points) [OU.01]Which of these is the most likely use of an electromagnetic wave which has frequency lesser than ultraviolet rays but greater than infrared radiations? heat food safely make objects visible to humans transmit radio and cellular phone signals detect the location of objects which emit heat Question 19 (Multiple Choice Worth 2 points) [CM.02]Ozone gas absorbs the ultraviolet radiations of the sun in the stratosphere troposphere thermosphere exosphere Question 20 (Multiple Choice Worth 2 points) [OU.02]Which of these statements best describe how Kennedy Space Center benefits Florida? It helps to decrease immigration in Florida. increase unemployment in Florida. decrease the income from sale of goods in Florida. increase Florida’s average income per person. Question 21 (Multiple Choice Worth 2 points) [BWS.05]Where would uncharged particles be most likely found in an atom? on the electrons inside the protons inside the nucleus outside the nucleus Question 22 (Multiple Choice Worth 2 points) [BWS.02]A scientist should be creative in order to prove their ideas non testable make their ideas non observable find possible answers to problems encourage use of pseudoscience Question 23 (Multiple Choice Worth 2 points) [BWS.02]A scientist did an experiment to show the properties of sound waves. The scientist’s results were declared valid because a leading newspaper published the results the results of the experiment could not be repeated the scientific process used in the experiment was elaborate all the scientists who did this experiment got the same result Question 24 (Multiple Choice Worth 2 points) [BWS.04]courseworkhero.co.ukt cuts a one meter long wire into five equal parts. What is the length of each part of the wire? 0.02 centimeters 0. 20 centimeters 20 centimeters 200 centimeters Question 25 (Multiple Choice Worth 2 points) [BWS.02]”A scratch mark appears on talc when diamond is rubbed on it.” What does this statement most likely represent? a theory a hypothesis a conclusion an observation Question 26 (Multiple Choice Worth 2 points) [CM.05]Nicole made the model shown below to represent the steps in the formation of a thunderstorm. © 2010 FLVS warm, moist air rises warm, dry air descends water vapor condenses in clouds water vapor evaporates from ocean Question 27 (Multiple Choice Worth 2 points) [CM.05]Which of these actions would people in a location in Florida most likely take if the local weather forecast predicts a thunderstorm? remain indoors dig wells in their backyard move to open areas like lawns replace wooden doors with glass doors Question 28 (Multiple Choice Worth 2 points) [BWS.02]Predicting future events in a person’s life based on the lines on the palm of the hand is an example of physics astronomy pseudoscience mathematics Question 29 (Multiple Choice Worth 2 points) [OU.01]The diagram below shows the location of three stars in space. Star 3 is 138 light years away from Star 1 and 75 light years away from Star 2. Which of these conclusions about the stars is correct? Star 2 is 213 miles away from Star 3. Star 2 is 63 kilometers away from Star 3. The light from Star 2 reaches Star 1 in 63 years. The light from Star 2 reaches Star 1 in 213 years. Question 30 (Multiple Choice Worth 2 points) [RM.02]An igneous rock interacts with wind and water over a long period of time. Which of these is most likely formed as a result of these interactions? lava magma sediments metamorphic rock Question 31 (Multiple Choice Worth 2 points) [BWS.05]Which of these statements best proves that electromagnetic forces are weaker than strong nuclear forces? Neutrons do not repel or attract each other when they are in the nucleus. Electrons do not move out of an atom when it forms bonds with other atoms. Protons do not move out of the nucleus of atoms although they repel each other. Atoms do not have any charge on them although they consist of charged particles. Question 32 (Multiple Choice Worth 2 points) [OU.04]The theories on the expansion of the universe may harm science if proved invalid may be proved invalid by new discoveries are weakened by frequent examinations are too durable to change when re-examined Question 33 (Multiple Choice Worth 2 points) [OU.01]Which of these waves has the greatest wavelength? Question 34 (Multiple Choice Worth 2 points) [CM.05]The people in a location in Florida are stocking non-perishable food items and emergency kits in their homes, and covering their doors and windows with plywood. Which of these is the most likely conclusion about the location? it is the hurricane season in the location there has been a severe drought in the location the wind speed has been below normal in the location a neighbouring location has been struck by lightening Question 35 (Multiple Choice Worth 2 points) [OU.01]In which of these mediums do particles of light travel the fastest? a vacuum glass wood Question 36 (Multiple Choice Worth 2 points) [BWS.02]An idea in science is accepted if it is supported by media questions hypotheses argumentation Question 37 (Multiple Choice Worth 2 points) [BWS.02]Which of these questions can be answered using scientific methods? Is history more interesting than algebra? Is the color purple more appealing than green? Are Sundays more hectic than Mondays? Are the temperatures in your city demonstrating trends in global warming? Question 38 (Multiple Choice Worth 2 points) [OU.04]The picture below shows two galaxies. Which of these statements best describes a similarity between the two galaxies? Both have elongated centers. Both change their shape from time to time. Both are held together by electrostatic force. Both have shapes determined by gravitational forces. Question 39 (Multiple Choice Worth 2 points) [OU.03]The graph below plots the temperature and luminosity of stars on the main sequence. Which of these stars had an initial mass greater than the initial mass of the sun? Star 1 and Star 2 Star 3 and Star 4 Star 1 and Star 4 Star 2 and Star 3 Question 40 (Multiple Choice Worth 2 points) [CM.02]A meteorologist observes the readings shown by a barometer on a particular day at 6 PM and 7 PM as shown below. Which of these is the most likely prediction that the meteorologist would make about the weather? There is a possibility of precipitation fair weather a dust storm dry weather Question 41 (Multiple Choice Worth 2 points) [BWS.02]Which of these can be examined using science? whether horses love humans more than elephants whether horses are happier animals than elephants whether elephants live longer in captivity than in the wild whether elephants are easier to care for than horses Question 42 (Multiple Choice Worth 2 points) [CM.05]During the formation of a tornado, cool air condenses warm air evaporates cool and warm air sink cool and warm air meet Question 43 (Multiple Choice Worth 2 points) [OU.04]One meteorologist believes that global warming has caused a significant change in the global weather pattern. One biologist believes that global warming has not made any significant change in the global ecosystem. Which of these statements best explains why the meteorologist and biologist have different views on global warming? Most data on global warming are inaccurate. Scientific data changes every time it is tested. Different scientists use different data for investigation. Scientists from different backgrounds interpret data differently. Question 44 (Multiple Choice Worth 2 points) [FW.02]The Karst topography in Florida is formed as a result of the actions of geysers groundwater recharge hot springs Question 45 (Multiple Choice Worth 2 points) [OU.04]An astronomer has proposed a new theory about the evolution of the universe. Which of these would prevent the proposed theory from being discarded? discussion about the theory on television explanation of the theory by some students publication of the theory in a science magazine acceptance of the theory by a majority of scientists Question 46 (Multiple Choice Worth 2 points) [CM.06]Scientists have done experiments to show that there has been a rapid increase in global temperatures over the years. Based on these experiments, which of these tables best shows the atmospheric methane level from 1600 to 2000? Year 1600 1700 1800 1900 2000 Methane level (in parts per billion) 740 750 770 830 900 Year 1600 1700 1800 1900 2000 Methane level (in parts per billion) 900 750 770 830 740 Year 1700 1600 2000 1900 1800 Methane level (in parts per billion) 770 750 740 830 900 Year 2000 1900 1800 1700 1600 Methane level (in parts per billion) 830 750 770 740 900 Question 47 (Multiple Choice Worth 2 points) [OU.02]Professional research telescopes should be large enough to gather sufficient radiation from space. Which of these statements best explains why a reflecting telescope is is best used as a professional research telescope? Bigger lenses are easier to manufacture and they produce less distortion. Mirrors of reflecting telescopes gather harmful radiations from space. Reflecting telescopes reflect away more radiation and distort images. The series of mirrors and lenses help to reduce distortion of images. Question 48 (Multiple Choice Worth 2 points) [OU.02]Which of these statements best explains why space exploration should be encouraged? It prepares humans to live without oxygen. It helps dispel myths about objects in space. It prevents comets and asteroids from striking Earth. It creates technology to absorb harmful radiations in space. Question 49 (Essay Worth 3 points) [OU.04]In your own words, explain how the COBE mission and WMAP mission provided evidence for the Big Bang Theory. Question 50 (Essay Worth 3 points) [FW.02]In your own words, explain how stalagmites are formed in caves. Question 51 (Essay Worth 3 points) [CM.02]In your own words, explain how a radiosonde can be used to predict future weather conditions in a location. YOU MUST CHECK THE BOX BELOW PRIOR TO SUBMITTING YOUR EXAM! 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