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MSniderStack ch1CPO

Vocabulary Words--chapter 1--Foundations of Physical Science--CPO-2005

Vocabulary worddefinition
cause and effect relationship between an event that brings about a result and what happens due to the result
controlled experiment when one variable is changed and all the others are controlled or stay the same throughout the experiment
distance the length of space between two points
English System a system that uses distance units such as inches, yards and miles
experiment any situation that is set up to observe and measure something happening.
experimental technique the exact procedure that is followed each time an experiment is repeated
hypothesis a prediction that can be tested by experimentation
investigation one or more experiences that are all connected to answer the same basic question
length unit of measurement for distance
measurements the act or process of measuring in multiples of a specific unit
metric system a system of measuring that uses, for example, distance units of millimeters, centimeters, meters, and kilometers
procedure a collection of all the techniques you use to do an experient
research question a question that is solved through investigation
scientific evidence any observation that can be repeated with the same results
scientific method a process that is used to gather evidence that leads to understanding
second a commonly used unit of time; 1/60th of a minute
time a useful measurement of changes in motion or events; all or part of the past, present, and future
trial each time an experiment is tried.
variables factors that affect the results of an experiment.
velocity describes movement from one place to another over time and in a certain direction.
controlled variables variables inan experiment that are kept the same throughout the experiment.
Created by: marjan123
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