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- 1. Multiple ChoiceThis type of investigation specifically focuses on gathering data based on observation.Experimental research designScientific MethodDescriptive researchObjective research design
- 2. Multiple ChoiceThis type of investigation is used to answer scientific questions by testing a hypothesis through controlled steps.Experimental research designScientific MethodDescriptive researchObjective research design
- 3. Multiple ChoiceIf you were asked to solve a scientific problem, and an experiment was impossible to perform, what research method should you use?Experimental research designInferential researchDescriptive researchObjective research design
- 4. Multiple ChoiceWhat is the first step in the scientific method?Recognize the problemForm a hypothesisDraw conclusionAnalyze data
- 5. Multiple ChoiceProviding partial information or only using data that supports one of the possible outcomes would be an example of________.BiasObjective researchDescriptive researchStatistical analysis
- 6. Multiple ChoiceWhen doing research on things that happen too slowly, too quickly, are too big or too small to observe directly, one would need to use a ______________modellife-size replicaa bigger laboratorythis research cannot be done
- 7. Multiple ChoiceA prediction, or statement that can be tested.hypothesishypothalamushypertensionvariable
- 8. Multiple ChoiceThe variable that is being measured.independent variabledependent variableconstantcontrol
- 9. Multiple ChoiceA __________ is a sample that is treated like the other experimental groups except that the independent variable is not applied to it.independent variablesdependent variablesconstantscontrol
- 10. Multiple Choice
In __________ __________ every member of the target population has an equal chance of becoming part of the sample.
Stratified sampling
Random sampling
Opportunity sampling
Self-selected sampling
- 11. Multiple Choice
During an experiment, which factors must be controlled so that researchers can draw a logical conclusion from the experiment?
variables
operational definitions
inquiries
theories
- 12. Multiple Choice
A possible explanation for a set of observations or answer to a scientific question is called a(n)
predictions.
hypothesis.
theory.
law.
- 13. Multiple Choice
One useful tool that may help a scientist interpret data by revealing unexpected patterns is a
variable.
graph.
theory.
law.
- 14. Multiple Choice
Which of the following is a valid reason why a scientist might reject a scientific theory?
Some people disagree with it.
It covers too broad a topic.
New evidence contradicts it.
It is too old.
- 15. Multiple Choice
A summary of what you have learned from a scientific experiment is called a(n)
hypothesis.
inquiry.
conclusion.
law.
- 16. Multiple Choice
During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the
manipulated variable.
responding variable.
operational variable.
dependent variable.
- 17. Multiple Choice
What stage of the technology design process involves coming up with ideas or different ways to solve a problem?
research stage
patenting stage
solution stage
troubleshooting stage
- 18. Multiple Choice
An engineer is a
legal document issued by a government that gives an inventor exclusive rights to make, use, or sell an invention for a limited time.
person who studies plants.
person trained to use both technological and scientific knowledge to solve practical problems.
possible explanation for a set of observations or answer to a scientific question.
- 19. Multiple Choice
In science, a hypothesis must be
correct.
manipulated.
controlled.
testable.
- 20. Multiple Choice
Engineers are people who design and build things to solve _____riddlespuzzlescrosswordsproblems - 21. Multiple ChoiceOnce you've figured out what problem you want to tackle, you need to _____do your researchdesign your solutionbuild a prototypetest your solution
- 22. Multiple ChoiceWhat is a hypothesis?An observationA bar graphFactsA prediction of what will happen
- 23. Multiple ChoiceWhat is an inference?A hypothesisAn educated guess using what you already knowFactsObservation
- 24. Multiple ChoiceThe _________ is a set of specific steps that help scientists solve problems.Design ProcessScientific MethodDictionaryBar graph
- 25. Multiple ChoiceWhat is the series of steps called used when trying to solve and design solutions?ScienceThe Design ProcessThe Scientific MethodHypothesis
- 26. Multiple ChoiceA prototype is the ____________ model of something new.FirstSecondBrainstormNew
- 27. Multiple ChoiceWhat is the last step of the design process?BrainstormImproveCreateAsk
- 28. Multiple ChoiceWhile PERFORMING AN EXPERIMENT, it is important to:change the control setuptest many different variables at the same timereach a conclusionrecord observations and measurements
- 29. Multiple ChoiceWhich phrase describes a hypothesis?reviewing information related to the problemtesting a factor, or variable, in an experimentsuggesting a solution to a problem after studying it carefullyperforming a controlled experiment
- 30. Multiple ChoiceIn order for the conclusion of a scientific experiment to be convincing, the researcher must report adequate evidence supporting or refuting the hypothesis. Scientific evidence should include theresults from an experiment with just one trial:results from only the trials that produced the expected results (the other "bad" data should be thrown out!)Results from multiple trials of one experiment, including unexpected resultsresults from multiple different types of experiments, including unexpected results
- 31. Multiple ChoiceChangeable elements of an experiment which can affect the outcome of the experiment if not carefully controlled are called:placebosvariablesquantitativeQualitative
- 32. Multiple ChoiceIf you paraphrase, summarize, or directly quote information, you must:
research the sourceformat the sourcecite the sourcebibliography / works cited the source - 33. Multiple ChoiceThis is what you use to locate a webpage:citeweb-address (URL)title source
- 34. Multiple ChoiceA webpage that ends in '.com' means:It's a government websiteIt's a non-profit organizationIt's a commercial site that could be used for business
- 35. Multiple ChoiceA webpage that ends in '.org' means:It's a government websiteIt's a non-profit organizationIt's a commercial site that could be used for business
- 36. Multiple ChoiceUsing someone else's work to help you without their permission is:plagiarismperiodicalresearchcite
- 37. Multiple ChoiceWhich of the following terms refers to the variable that is manipulated (changed) by the experimenter?Experimental ControlsTest ControlsDependent VariableIndependent Variable
- 38. Multiple ChoiceWhich of the following terms refers to a group that receives no treatment with the independent variable?Constant groupControl groupDependent groupExperimental group
- 39. Multiple ChoiceWhich of the following terms refers to a group that receives treatment with the independent variable?Constant groupControl groupDependent groupExperimental group
- 40. Multiple ChoiceWhich of the following correctly lists the steps of the scientific method?Observe, Experiment, Hypothesize, Analyze, ConcludeObserve, Hypothesize, Analyze, Experiment ConcludeObserve, Hypothesize, Experiment, Analyze, ConcludeObserve, Analyze, Hypothesize, Experiment, Conclude
- 41. Multiple ChoiceIn which step of the scientific method do you test the hypothesis?ObserveExperimentAnalyzeConclude
- 42. Multiple ChoiceIn which step of the scientific method do you predict an outcome or possible explanation for an observation?HypothesizeExperimentAnalyzeConclude
- 43. Multiple ChoiceHow many variables are tested in a controlled experiment?onetwothreeseveral
- 44. Multiple Choice
The five steps of the engineering design process in order are
plan, ask, imagine, improve, create
plan, create, ask, imagine, improve
create, ask, imagine , improve, plan
ask, imagine, plan, create, improve
- 45. Multiple Choice
Making a statement or claim about what will happen in the future based on past experience or evidence is called
observing
inferring
predicting
classifying
- 46. Multiple Choice
Explaining or interpreting the things you observe based on reasoning from what you already know is called
observng
inferring
predicting
classifying
- 47. Multiple Choice
A well-tested explanation for a wide range of observations or experimental results is called a scientific
inquiry
hypothesis
theory
law
- 48. Multiple Choice
In a scientific experiment, facts, figures, and other evidence gathered through observations are called
data
manipulated variables
responding variables
laws
- 49. Multiple Choice
When scientists put things into categories or group together items that are alike in some way, they are
inferring
predicting
classifying
making a model
- 50. Multiple Choice
When scientists create a representation of a complex process, they are
inferring
predicting
classifying
making models
- Answer choicesTagsAnswer choicesTags