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Integrated Science
Grade 8
Mrs. Webb
Branches of Sciences
Social Science
Natural Science
The Natural Sciences
• Life Science• Earth Science
• Geology, Astronomy• Physical Science
• Physics, Chemistry
The Nature of Science
Chapter 1
Science is the pursuit of observing facts in order to understand the world we live in
Go Bananas!Observing facts
Use your senses Inference
Use what you already know
Pure Science is the search for scientific knowledge
Technology is the application of that knowledge
Science is a process not a set of facts.
Information about the world around us is always changing.
Always starts with a question.
Searching for an answer is doing Science
A problem solving attitude
• think critically about a question
• test possible answers • collect data • unbiased observations
Toxic Waste Activity
The Scientific Method
• a systematic approach to problem solving
• a way of thinking using logic and reason
• NOT a rigid set of steps
Scientific Theoryexplanation that has been
tested by repeated observations
always being questioned and examined
a possible explanation
Scientific Law
a summary of natural events
states a repeated observation about nature
quantitative/qualitative
Scientific Model
a representation of an object or event
can be studied to understand the real object or event
Facts and Fiction
Historical Facts a true statement about the existence of something or about a past event
based on physical evidence fossil, skeleton, ruins
based on recorded evidence writings, drawings
Facts and Fiction
Scientific Facts based on observationusing the 5 sensesmust be measurable and repeatable
Facts and Fiction
Tools scientists use to make observationsmicroscopetelescopespectrophotometer
Facts and Fiction
Universal Statements either includes everything or excludes everything
can’t be proven by observation
Facts and Fiction
Value judgments placing value on thingsobservation can not determine value
Facts and Fiction
Biblical Truth the Bible claims to be the Word of God (II Tim 3:16)
eternal spiritual importance
Evidence fulfilled prophecyaccurate records of historyaccurate descriptions of world inner testimony of believer
Mathematics
Language of ScienceInternational System of
UnitsSI Units are used for
consistency Table 1-1 page 16
SI Units
based on the metric system
Prefixes for very large or very small measurements
Table 1-2 &1-3 page 16
Kilo1000
Hecto 100
Deka10
BasicUnit
Deci.1
Centi.01 Mili
.001
SI Units
Practice on page 17
Making Measurements page 18
copy Vocab into Notes
Scientific Notation
method for recording very large or very small numbers
reduces the number of zeros (powers of 10)
Significant Numbers
the digits in a measurement that are known with certainty
shows the accuracy of the tool being used
Significant NumbersAccuracy – extent to which
the measurement approaches the true value
Precision – degree of exactness of a measurement
Organizing Datamade easier to read with charts or
graphschoose method that will be easiest to
readline or bar graphpie chart
Page 21
Skill Builder Lab
Making MeasurementsPage 30-33