vocab ch 1 Flashcards
Hypothesis
An explanation based on prior scientific research or observations that can be tested
controlled experiment
An experiment that tests only one factor at a time by using a comparison of a control group with an experimental group
variable
A factor that changes in an experiment in order to test a hypothesis
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 many hypothesis and observations
law
A summary of many experimental results and observations; tells how things work
prosthetic
An artificial device that replaces a missing part of the body.
technology
The products and processes that are designed to serve our needs.
engineering
The process of creating technology
engineering design process
The process engineers use to develop a new technology.
prototype
A test model of a product.
cost benefit analysis
The process of determining whether the cost of doing something is worth the benefit provided.
bioengineering
The application of engineering to living things, such s humans and plants.
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 in the SI (symbol, m)
mass
a measure of the amount of matter in an object.
area
a measure of the size of a surface or a region
temperature
the measure of how hot or how cold something is
volume
a measure of the size of a body or region in three dimensional space.
density
the ratio of the mass of substance to the volume of the substance
Scientific method
a series of steps followed to solve problems
