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Nature of Science

TermDefinition
empirical evidence the observations, measurements, and others types of data that people gather and test to support and evaluate scientific explanations.
theory A system of ideas that explains many related observations and is supported by a large body of evidence acquired though scientific investigation.
law A descriptive statement or equation that reliably predicts events under certain conditions.
experiment An organized procedure to study something under controlled conditions.
hypothesis A testable idea or explanation that leads to scientific investigation.
dependent variable in a scientific investigation, the factor that changes as a result of manipulation of one or more independent variable.
observation the process of obtaining information by using the senses; the information obtained by using the senses.
independent variable in a scientific investigation, the factor that is deliberately manipulated.
data information gathered by observation or experimentation that can be used in calculating or reasoning .
model A pattern, plan, representation, or description designed to show the structure or working of an object, system, or concept.
engineering the application of science and mathematics to solve real-life problems.
technology the application of science for practical purposes; the use of tools, machines, materials, and processes to meet humans needs.
prototype a test model of a product.
trade-off the giving up of one thing in return for another, often applied to the engineering design process.
risk benefit analysis The comparison of the risks and benefits of a decision or product.
life cycle analysis The evaluation of the materials and energy used for the manufacture, transportation, sale, use, and disposal of a technology.
Pugh chart A table used to compare the features of multiple items, such as technological products or solutions.
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