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Unit 2 Cumulative

A review for Unit 2 Vocabulary

TermDefinition
engineering using knowledge of science and mathematics to find solutions to everyday problems
technology any device that people use to meet their needs and solve practical problems
prototype a working model
criteria standards that help engineers measure how well their design is doing its job
bioengineering applying the engineering design process to living things
biotechnology a product used to benefit organisms or their environment
balance a tool used to measure the amount of matter in an object, which is the object's mass
experiment an investigation in which all the conditions are controlled to test a hypothesis
opinion a personal belief or judgment based on what a person thinks or feels, but not necessarily based on evidence
spring scale a tool used to measure force
accurate in measurements, very close to the actual size or value
force a push or pull, which may cause a change in an object's motion
gravity the force of attraction between objects; such as the attraction between Earth and the objects on it
series circuit an electric circuit in which the electrical charges have only one path to follow
parallel circuit an electric circuit that more than one path for the electric charges to follow
reflection the bouncing of light waves when they encounter an obstacle
refraction the bending of light waves as they pass from one material to another
prism a transparent object that bends and separates white light into the colors of the rainbow
opaque not allowing light to pass through
transparent allows light to pass through
Created by: whardcastle
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