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6th Unit 1

Building a Better Scientist

Science A way of learning about the natural world that provides possible explanations to questions.
Observation Using one or more of your senses to identify or learn about something.
Inference A conclusion formed from available information or evidence.
controlled experiment a scientific experiment that involves changing one factor and observing its effect on one thing while keeping all other things constant.
Model A representation of an object or an event that is used as a tool for understanding the natural world.
independent variable The variable that is changed in an experiment.
dependent variable The variable that changes as a result of a change in the independent variable.
scientific theory A possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigations.
scientific law A rule that describes a pattern in nature but does not try to explain why something happens.
Technology use of science to help people in some way.
scientific method a series of steps that scientists use when performing an experiment.
data Information gathered during an investigation; recorded in the form of descriptions tables, graphs, or drawings.
quantitative data Descriptions of the natural world using numbers.
qualitative data Descriptions of the natural world using words.
description A summary of observations.
Explanation An interpretation of observations.
precision How closely measurements are to each other and how carefully measurements were made.
consistency The ability to repeat a task with little variation. .
mean The sum of the numbers in a set of data divided by the number of items in the set.
Median The middle number in a data set when the data are arranged in numerical order.
range The difference between the highest and lowest values in a data set
hypothesis An explanation that can be tested with a scientific investigation.
Created by: jackietrahan