Step 1 of 15 6% How much do you know about science topics? Test your knowledge of science facts and applications of scientific principles by taking our 11-question quiz. When you finish, you will be able to compare your scores with the average American and compare responses across demographic groups. Our nationally representative poll of 4,464 randomly selected U.S. adults was conducted on Pew Research Center's American Trends Panel between Jan. 7 and Jan. 21, 2019. The analysis of the findings from the poll can be found in the full report, “What Americans Know About Science.” Oil, natural gas and coal are examples of …BiofuelsRenewable resourcesGeothermal resourcesFossil fuels A scientist is conducting a study to determine how well a new medication treats ear infections. The scientist tells the participants to put 10 drops in their infected ear each day. After two weeks, all participants' ear infections had healed. Which of the following changes to the design of this study would most improve the ability to test if the new medication effectively treats ear infections?A scientist is conducting a study to determine how well a new medication treats ear infections. The scientist tells the participants to put 10 drops in their infected ear each day. After two weeks, all participants' ear infections had healed. Which of the following changes to the design of this study would most improve the ability to test if the new medication effectively treats ear infections?Create a second group of participants with ear infections who use 15 drops a dayHave participants use ear drops for only one weekCreate a second group of participants with ear infections who do not use any ear dropsHave participants put ear drops in both their infected ear and healthy ear Which of the following is an example of genetic engineering?Inserting a gene into plants that makes them resistant to insectsFinding the sequences of bases in plant DNAGrowing a whole plant from a single cellAttaching the root of one type of plant to the stem of another type of plant What is the main cause of seasons on the Earth?The tilt of the Earth's axis in relation to the sunThe speed that the Earth rotates around the sunChanges in the amount of energy coming from the sunThe distance between the Earth and the sun These graphs show the monthly precipitation and average temperature for three cities in the United States over the course of one year. Based on the graphs, which city has the greatest annual range of temperatures? Chicago, IllinoisLos Angeles, CaliforniaNew York, New YorkThey all have the same annual temperature range The time a computer takes to start has increased dramatically. One possible explanation for this is that the computer is running out of memory. This explanation is a scientific …The time a computer takes to start has increased dramatically. One possible explanation for this is that the computer is running out of memory. This explanation is a scientific…HypothesisObservationExperimentConclusion Many diseases have an incubation period. Which of the following best describes what an incubation period is?The period during which someone has an infection, but is not showing symptomsThe effect of a disease on babiesThe recovery period after being sickThe period during which someone builds up immunity to a disease When large areas of forest are removed so land can be converted for other uses, such as farming, which of the following occurs?Greater oxygen productionDecreased carbon dioxideColder temperatureIncreased erosion An antacid relieves an overly acidic stomach because the main components of antacids are …BasesIsotopesNeutralAcids Which of these is a major concern about the overuse of antibiotics?It can lead to antibiotic-resistant bacteriaThere will be an antibiotic shortageAntibiotics can cause secondary infectionsAntibiotics will get into the water system A car travels at a constant speed of 40 miles per hour. How far does the car travel in 45 minutes?25 miles30 miles35 miles40 miles Are you:MaleFemale What is your age?Under 1818-2930-4950-6465+ What is the highest level of education you have completed?High school or lessSome collegeCollege degreePostgraduate degree