Scientific Explanations

Test Prep Game

A. inference B. reasoning C. scienceD. skepticism

Which term refers to the investigation and exploration of natural events and of the new information that results from those investigations?

A. hypothesisB. inference C. prediction D. scientific law

Which term describes a logical explanation of an observation that is drawn from prior knowledge or experience?

A. accuracyB. base unitC. precision D. significant digit

Which term describes how similar or close measurements are to each other?

A. compound light microscopeB. graduated cylinderC. thermometerD. triple-beam balance

Which enables scientists to observe small objects that cannot be observed with just eyes?

Which term refers to the factor that you test in an experiment?

A. constant B. control group C. dependent variable D. independent variable

A. critical thinkingB. hypothesisC. scientific lawD. scientific theory

Which describes a pattern or an event in nature that is always true?

A. hypothesisB. inference C. observation D. prediction

Which term describes a possible explanation about an observation that can be tested by scientific investigations?

A. baseB. constant C. SID. significant

Which term refers to the digits in a measurement that are known with a certain degree of reliability?

A. petri dish B. microscopeC. graduated cylinderD. computer

Which is used by scientists to measure the volume of a liquid?

A. constant B. dependent variableC. experimental groupD. independent variable

Which term refers to the factor measured or observed during an experiment?

A. 15 m long B. Red colorC. Rough textureD. Strong odor

Which is a quantitative observation?

A. 5B. 4C. 3D. 2

The number of significant digits in 0.00150 is:

A. TechnologyB. ControlC. A trialD. Safety

Which is the application of science to make tools that people can use?

A. ConclusionB. A theoryC. DataD. A hypothesis

Which is/are information gathered during experiments?

A. How many seals can a killer whale eat per day?

B. Which type of orchid flower is most beautiful?

C. Is competition good or evil?D. When is religion better than philosophy?

Which of the following questions is legitimate for science to consider

A. GuessesB. HypothesesC. Random StudiesD. Step-by-step procedures

Scientific methods are __________ of scientific problem solving.

A. 9B. 8.6C. 8.64D. 8.640

3.2 x 2.7 =

A. To facilitate the sharing of measurement data among people from every country

B. To facilitate competition among companies from different countries

C. To aid in converting currency from one country's currency to another

D. To protect trade secrets

Why was the International System of Units established?

A. GramsB. LitersC. MetersD. Tonnes

You want to find out how much water an aquarium tank can hold. Which SI measurement unit would you use?

A. Analyze, hypothesize, conclude, inferB. Infer, analyze, communicate, confirmC. Observe, conclude, analyze, testD. Hypothesize, test, analyze, confirm

Which sequence of steps is correct in a process of scientific inquiry?

A. To decrease variationB. To increase precisionC. To decrease biasD. To ensure that the sample is random

What is the purpose of a blind study?

A. 5,010B. 0.0345C. 0.120D. 18.19

Which of the following numbers has four significant digits?

A. BiasB. AnalysisC. HypothesisD. Testing

Which should NOT be part of scientific inquiry?

A. HypothesisB. ExperimentC. MethodD. Theory

A(n) __________ is a well-organized procedure that tests an idea?

A. 28.813B. 29C. 28.81D. 28.8

1.513 + 27.3 =

A. ProcedureB. TableC. GraphD. Chart

Which of the following is NOT useful for showing patterns in data?

A. Publishing articles in professional journalsB. Giving speeches at conventionsC. Publishing reports on the internetD. Mental telepathy

Which of the following is NOT a method that scientists might use to communicate their findings to other scientists?

A. 10-6 kgB. 10-3 kgC. 1 kgD. 103 kg

A gram is:

A. LengthB. VolumeC. TemperatureD. Time

A meter is used to express:

A. MilligramB. GramC. KilogramD. Centigram

Which unit is the largest