
Scientific method
Quiz by SUSAN CORTEZ
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27 questions
Show answers
- Q1What is a hypothesis?A testable predictionA collection of dataAn observation made during researchThe final result of an experiment30s
- Q2What is the purpose of a control group in an experiment?To test multiple variables at onceTo provide a standard for comparisonTo increase the participants in the studyTo validate the results of the hypothesis30s
- Q3What is the difference between a theory and a hypothesis?A theory is a guess; a hypothesis is a factA theory is temporary; a hypothesis is permanentA theory is a well-supported explanation; a hypothesis is a testable predictionA theory can never be proven; a hypothesis can be30s
- Q4What is the independent variable in an experiment?The outcome of the experimentThe factor that is measuredThe factor kept constantThe factor that is changed or manipulated30s
- Q5What best describes a scientific law?A hypothesis that has not been testedA theory that explains why something happensA statement that describes a consistent relationship observed in natureAn untested idea30s
- Q6What distinguishes a scientific theory from a scientific hypothesis?A theory is a well-tested explanation that unifies a broad range of observationsA theory is an educated guessA hypothesis is a proven factA theory is a single experiment30s
- Q7How does a scientific theory differ from a scientific law?A theory explains why phenomena occur, while a law describes what happensA theory is always correct, but a law can be wrongBoth are the same thingA law is more complex than a theory30s
- Q8What is an example of a scientific hypothesis?Plants produce oxygen through photosynthesisIf plants receive more sunlight, then they will grow tallerPlants grow faster in the summerAll plants need water to survive30s
- Q9What unit is commonly used to measure mass in the metric system?meterslitersjoulesgrams30s
- Q10Which of the following tools is used to measure the temperature of an object?rulerthermometerscalebarometer30s
- Q11What is the primary unit of length in the metric system?meterfootlitergram30s
- Q12What instrument do scientists use to measure liquid volume?burettethermometerscalegraduated cylinder30s
- Q13What is the standard unit of temperature in the metric system?FahrenheitKelvinCelsiusRankine30s
- Q14What is the dependent variable in an experiment?The factor that is measured or observedThe factor that is changed by the researcherThe materials used in the experimentThe group that does not receive any treatment30s
- Q15Which of the following is an important characteristic of a good scientific experiment?It can be repeated by other researchersIt is based on personal opinionsIt only includes one variableIt avoids using a control group30s