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chpt.1vocab

vocab for chpt 1 8/30/10

QuestionAnswer
physical science the study of matter and energy
scientific method a series of steps that scientist use to answer questions and solve problems
technology the application of knowledge,tools,and materials to solve problems and accomplish task
observation any use of the senses to gather info.
hypothesis a possible explanation or answer to a question.
data any piece of info acquired through experimentation.
theory a unifying explanation for a broad range of hypothesis and observations that have been supported by testing.
law a summary of many experimental results and observations;a law tells how things work.
model a representation of an object or system.
meter the basic unit of lengths in the S.I system.
volume the amount of space that something occupies or the amount of space that something is made of.
Created by: sexypandas001
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