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