Unit 1 Review (Part2) Question Preview (ID: 43247)


Unit 1 Review (Part2). TEACHERS: click here for quick copy question ID numbers.

________________________ uses words to describe what is observed in an experiment.
a) Qualitative Data
b) Quantitative Data
c)
d)

The __________ contains the same factors as the experimental group, but the independent variable isn't changed.
a) hypothesis
b) Control Group
c) Controlled variable
d) Experimental Group

The __________ is used to study how a change in the independent variable affects the dependent variable.
a) hypothesis
b) Control Group
c) Controlled Variable
d) Experimental Group

A ___________ is an element, feature or factor in an experiment that is liable to vary or change.
a) conclusions
b) unchangers
c) variable
d) constants

____________________________ are the factors in an experiment do not change. They are also referred to as controlled variables.
a) conclusion
b) determinant
c) variable
d) Constants

A __________________________ is an experiment or observation designed to minimize the effects of variables other than the independent variable.
a) controlled variable
b) hypothesis
c) controlled experiment
d) conclusion

If someone chews gum during a test, they will get a better grade. In the previous hypothesis, what is the dependent variable?
a) The temperature of the classroom.
b) Whether or not someone chews gum during a test.
c) The grade earned on the test.
d) These are all controlled variables.

If someone chews gum during a test, they will get a better grade. In the previous hypothesis, what is the independent variable?
a) The temperature of the classroom.
b) Whether or not someone chews gum during a test.
c) The grade earned on the test.
d) These are all controlled variables.

_______________________________ are the number of digits in a measurement that are known with a certain degree of reliability.
a) Scientific notation
b) Significant figures
c) Kelvins
d) Moles

________________________________ is a description of how similar or close to measurements are to each other.
a) proximity
b) precision
c) accuracy
d) cluster grouping

______________________________________ is a method of writing or displaying very small or very large numbers in a short form.
a) Significant figuring
b) Fractioning
c) Scientific notation
d) None of these

_________________________________ is a description of how close a measurement is to an accepted or true value.
a) Implication
b) Inference
c) Accuracy
d) Precision

A ________________________is a defined unit in a system of measurment that is based on an object or event in the physical world.
a) prefix
b) base unit
c) scientific notation
d) significant figure

A metric___________________ is a unit prefix that precedes (comes before) a basic unit of measure to indicate a multiple or fraction of the unit.
a) prefix
b) baseunit
c) scientific notation
d) significant figure

The ______________________________________________________________________________is the internationally accepted system of measurement based on the metric system, that is almost universally used through out the scientific community around the world.
a) International System of Units
b) International Measurement Code
c) International Community of Scientific Cooperation
d) None of These

A(n) __________________________ is an interpretation of observations.
a) hypothesis
b) explanation
c) description
d) prediction

A(n) ___________________________is a spoken or written summary of observations.
a) hypothesis
b) explanation
c) description
d) inference

________________________ uses numbers to describe what is observed in an experiment.
a) Qualitative Data
b) Quantitative Data
c)
d)

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