integrated science grade 8 mrs. webb branches of sciences social science natural science
TRANSCRIPT
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Integrated Science
Grade 8
Mrs. Webb
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Branches of Sciences
Social Science
Natural Science
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The Natural Sciences
• Life Science• Earth Science
• Geology, Astronomy• Physical Science
• Physics, Chemistry
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The Nature of Science
Chapter 1
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Science is the pursuit of observing facts in order to understand the world we live in
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Go Bananas!Observing facts
Use your senses Inference
Use what you already know
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Pure Science is the search for scientific knowledge
Technology is the application of that knowledge
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Science is a process not a set of facts.
Information about the world around us is always changing.
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Always starts with a question.
Searching for an answer is doing Science
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A problem solving attitude
• think critically about a question
• test possible answers • collect data • unbiased observations
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Toxic Waste Activity
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The Scientific Method
• a systematic approach to problem solving
• a way of thinking using logic and reason
• NOT a rigid set of steps
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Scientific Theoryexplanation that has been
tested by repeated observations
always being questioned and examined
a possible explanation
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Scientific Law
a summary of natural events
states a repeated observation about nature
quantitative/qualitative
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Scientific Model
a representation of an object or event
can be studied to understand the real object or event
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Facts and Fiction
Historical Facts a true statement about the existence of something or about a past event
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based on physical evidence fossil, skeleton, ruins
based on recorded evidence writings, drawings
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Facts and Fiction
Scientific Facts based on observationusing the 5 sensesmust be measurable and repeatable
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Facts and Fiction
Tools scientists use to make observationsmicroscopetelescopespectrophotometer
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Facts and Fiction
Universal Statements either includes everything or excludes everything
can’t be proven by observation
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Facts and Fiction
Value judgments placing value on thingsobservation can not determine value
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Facts and Fiction
Biblical Truth the Bible claims to be the Word of God (II Tim 3:16)
eternal spiritual importance
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Evidence fulfilled prophecyaccurate records of historyaccurate descriptions of world inner testimony of believer
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Mathematics
Language of ScienceInternational System of
UnitsSI Units are used for
consistency Table 1-1 page 16
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SI Units
based on the metric system
Prefixes for very large or very small measurements
Table 1-2 &1-3 page 16
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Kilo1000
Hecto 100
Deka10
BasicUnit
Deci.1
Centi.01 Mili
.001
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SI Units
Practice on page 17
Making Measurements page 18
copy Vocab into Notes
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Scientific Notation
method for recording very large or very small numbers
reduces the number of zeros (powers of 10)
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Significant Numbers
the digits in a measurement that are known with certainty
shows the accuracy of the tool being used
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Significant NumbersAccuracy – extent to which
the measurement approaches the true value
Precision – degree of exactness of a measurement
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Organizing Datamade easier to read with charts or
graphschoose method that will be easiest to
readline or bar graphpie chart
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Skill Builder Lab
Making MeasurementsPage 30-33