What is Science?

What is Science?What is Science?

Scientia Scientia ““knowledge”knowledge”

1) A systematic approach 1) A systematic approach for gaining knowledge for gaining knowledge about the universe and about the universe and everything in it.everything in it.

2) What is Technology?2) What is Technology?the VIP is technology at its finestthe VIP is technology at its finest

2) Technology uses science to 2) Technology uses science to solve problems.solve problems.Example technology and toys; movie.

3) What is Engineering 3) What is Engineering Using science to solve Using science to solve problems.problems.

Building better computers.Building better computers.Computer engineeringComputer engineering

Building taller buildings.Building taller buildings.

Building faster cars.Building faster cars.

Building better organisms.Building better organisms.

4) Physics is the study of matter 4) Physics is the study of matter and energy. (How matter re-and energy. (How matter re-sponds to energy.)sponds to energy.)

4) Chemistry is the study of matter 4) Chemistry is the study of matter and how matter combines.and how matter combines.

5) Religion and myths5) Religion and myths

6) Natural Philosophers6) Natural Philosophers

7) Mathematics7) Mathematics

Numbers and measurements are Numbers and measurements are not ambiguous.not ambiguous.Math is universal. All countries Math is universal. All countries can speak mathematicallycan speak mathematically

8) Scientific method 8) Scientific method was introducedwas introducedby Galileo Galilei by Galileo Galilei (1564-1642)(1564-1642)

9) The scientific method9) The scientific method1)1) Purpose- state a problem.Purpose- state a problem.2)2) Research- gather information.Research- gather information.3)3) Hypothesis- educated guess.Hypothesis- educated guess.4)4) Experiment- design a test for Experiment- design a test for

your hypothesis.your hypothesis.5)5) Analysis- record and interpret Analysis- record and interpret

datadata6)6) Conclusion- was your hypothesis Conclusion- was your hypothesis

correct?correct?7)7) REPEAT? REPEAT? REPEAT?REPEAT? REPEAT? REPEAT?

10) Scientific facts are data 10) Scientific facts are data obtained by competent obtained by competent observers.observers.Examples: The moon is a Examples: The moon is a planet.planet.

Full moons are evil.Full moons are evil.Gravity causes the moon to Gravity causes the moon to orbit the earth.orbit the earth.

11) Scientific Laws or Principles11) Scientific Laws or PrinciplesA statement describing a A statement describing a

relationship observed to be relationship observed to be invariable for a phenomena invariable for a phenomena Examples.Examples.

1) What goes up must come down.1) What goes up must come down.2) The Universal Law of Gravity. 2) The Universal Law of Gravity. 3) Archimedes Principle.3) Archimedes Principle.Laws of nature are different from Laws of nature are different from

laws of man. How?laws of man. How?

12) Theories are 12) Theories are a set of a set of statements or principles devised statements or principles devised to explain a group of facts or to explain a group of facts or phenomena. phenomena. Scientific theories:Scientific theories:are based on facts and evidenceare based on facts and evidencehave been repeatedly testedhave been repeatedly testedare widely accepted by scientistare widely accepted by scientistcan be used for predictions about can be used for predictions about

natural phenomena. natural phenomena.

15) Examples15) Examples

Religion isReligion isn.n. a belief in and reverence for a a belief in and reverence for a

supernatural power or powers supernatural power or powers regarded as creator and governor of regarded as creator and governor of the universe. A personal or the universe. A personal or institutionalized system grounded in institutionalized system grounded in such belief and worship.such belief and worship.

~ 254 identified Gods, ~ 254 identified Gods, ~ 4200 different religions, ~ 4200 different religions, ~ 12 classified as “major world ~ 12 classified as “major world

religions.” religions.”

The exact number of religions in the world is The exact number of religions in the world is unknown, but the twelve major world religions in unknown, but the twelve major world religions in alphabetical order:alphabetical order:Baha’I (7 million adherents) Islam (1.3 billion)Baha’I (7 million adherents) Islam (1.3 billion)Buddhism (360 million) Hinduism (900 million)Buddhism (360 million) Hinduism (900 million)Christianity (2 billion) Christianity (2 billion) Jainism (4 million) Jainism (4 million)

Confucianism (6 million) Judaism (14 million) Confucianism (6 million) Judaism (14 million) Daoism (2.7 million) Daoism (2.7 million) Shinto (4 million) Shinto (4 million)

Sikhism (23 million)Sikhism (23 million) Zoroastrianism (150,000) Zoroastrianism (150,000)

15)Observations 15)Observations Information gained using Information gained using your your sensessenses16) Can you name the 16) Can you name the 6 senses?6 senses?

SightSight

tastetaste

smellsmell

hearinghearing

touchtouch

66thth sense senseI see dead people!I see dead people!

17) Qualitative & Quantitative17) Qualitative & Quantitativea) What type of observation?a) What type of observation?Examples Examples b) What type of observation?b) What type of observation?Examples Examples 18) What type of observations 18) What type of observations are most important in are most important in science?science?

QUANTITATIVE!!! Why?QUANTITATIVE!!! Why?

Observation/Inference/PredictionObservation/Inference/Prediction19)Inference – an explanation for 19)Inference – an explanation for an observation (because)an observation (because)20)Prediction- a forecast of a 20)Prediction- a forecast of a

future observation (future future observation (future tense)tense)