Chapter 2 Scientific Methods

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scientific methods

a series of steps followed to solve problems, a series of steps followed to solve problems, including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions

observation

the process of gathering information about events or processes in a careful, orderly way

hypothesis

an explanation that is based on prior scientific research or observations and that can be tested

data

any pieces of information acquired through observation or experimentation

model

a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept

theroy

an explanation that ties together that ties together many hypotheses and obsevation

law

a summary of many experimental results and observations; a law tells how things work

technology

tools and skills people use to meet their basic needs

engineering

the process of creating technology

engineering design process

the process engineers use to develop a new technology

prototype

a standard or typical example

cost-benefit analysis

the process of determining whether the cost of doing something is worth the benefit provided

bioengineering

the branch of engineering science in which biological science is used to study the relation between workers and their environments

assistive bioengineering

engineering that results in a product or process that helps living organisms but does not change them permanently

adaptive bioengineering

engineering that results in a product or process that changes living organisms

meter

the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)

area

a measure of the size of a surface or a region

mass

the amount of matter an object contains

volume

the amount of space an object takes up

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