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Am I Ready Intro and Nature of Science
Quiz by Mandy McDougal
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45 questions
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- Q1An experiment is conducted to determine the effects of different levels of caffeine on exercise performance. In this experiment, what are the levels of caffeine?controlled variablessummary statisticIndependent variabledependent variable30s
- Q2A class conducted an experiment using 5 plants. The first plant received only water. The remaining plants received varying amounts of a liquid fertilizer added to their water. The class wanted to know which plant would show the greatest amount of growth. What is the control in this experiment?giving one plant watermeasuring plant growthusing two plantsgiving one plant water with fertilizer30s
- Q3Patients with a specific medical condition have been provided with a new device that helps them manage their condition. The patients will be required to participate in a survey regarding the usefulness of these devices. How can the manufacturer be certain that no bias enters into surveys?by providing a toll free number in case there are questions about the devicesby having a second, independent party conduct the surveyby paying the patients for their participationby waiting until the survey is completed to sell the device30s
- Q4In order to sequence their genomes, a scientist wants to separate protists from a sample of pond water. Which would be most helpful in removing the protists from the water?computer hardwaremicroscopecentrifugegel electorphoresis30s
- Q5What is the appropriate tool to determine the amount of cells in a specimen?meter sticktriple beam balancemicroscopegraduated cylinder30s
- Q6Which is an example of applied science?developing new medicinesformulating the cell theorydiscovering the law of independent assortmentgenerating hypotheses on the origin of life30s
- Q7Scientists who research ways to make more effective fertilizer are using knowledge on the nitrogen cycle and plant development. Which type of science are plant development and the nitrogen cycle information examples from?applied sceincepure sciencetechnological sciencemicroscopic science30s
- Q8Scientists who research ways to make more effective fertilizer are using knowledge on the nitrogen cycle and plant development. Which type of science is making more effective fertilizer from?technological sciencemicroscopic sciencepure scienceapplied science30s
- Q9Why are ethics important in science?provides interesting topics to studyreflects the values of everyone in the communitykeeps research within moral boundariesallows controversial issues to be resolved30s
- Q10Which statement is true of ethical parameters used by scientists?used only for studies involving new medicinesused only for research projects involving animalsused to prevent unnecessary suffering or harm to all organismsused to prevent researchers from paying their subjects30s
- Q11A scientist develops a new strain of corn;then receives a large grant from the government to determine how well the new corn grow. She is also responsible for choosing where the new strain of corn will be grown and collecting data on its growth and yield. When the study is completed, she will also write the final report. Which is the most likely source of bias in this experiment?The scientist is making conclusions about the product that she developed.The scientist may take too much time to finish the reports.The scientist does not grow any corn because of drought.The scientist grows the corn in the most fertile soil.30s
- Q12Graduated cylinders are for:measuring small volumesheating liquidsmixing chemicalsgenerating gases from boiling liquids30s
- Q13When you must sniff a solution to detect an odor, be sure to:carefully hold it up to your nostrilsblow your nose before and afterwardhave your lab partner smell it firsthold it away from your face and waft the odors30s
- Q14Helping to clean up the laboratory is the job of:the last class of the daythe custodian and the teacherall studentssomeone from your lab group30s
- Q15If you do not understand a direction or part of a lab procedure, you shouldtry several methods until something worksfigure it out as you do the labask your partner or skip it and come back to it laterask your teacher30s