What is science
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What is Science?. Essential Questions. What is science ? What methods do scientists use? What are the branches of Earth science?. Science is …. A way of learning about the natural world and the knowledge gained through that process.

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What is science

What is Science?


Essential questions

Essential Questions

  • What is science?

  • What methods do scientists use?

  • What are the branches of Earth science?


Science is

Science is…

  • A way of learning about the natural world and the knowledge gained through that process.

  • Science comes from a Latin word that means “knowing”.

  • Scientific inquiry is the diverse ways in which scientists explore problems and seek to answer questions about the natural world.


Thinking like a scientist

Thinking Like a Scientist

  • Observation involves using sight, hearing, smell, and sometimes taste to gather information.

  • Inference is an interpretation based on your observation and prior knowledge.


Scientific methods

Scientific Methods

  • Scientific methods generally include posing questions, research, developing and testing hypotheses, and drawing conclusions. Scientists often test hypotheses by conducting controlled experiments.

  • Posing questions – Which brand of popcorn will have the fewest kernals?

  • Research – internet, encyclopedias, etc.


Developing hypotheses

Developing Hypotheses

  • A hypothesis is a possible explanation for observations that relate to a scientific question.

  • Tested by observation or experiment.

  • Educated guess -

  • Use “if” and “then”

  • If five bags of each brand of popcorn is cooked, then Orville Redenbacher's popcorn will have the fewest kernels.


Designing a controlled experiment

Designing a Controlled Experiment

  • Controlled Experiment – how one particular variable affects the outcome of the experiment.

  • Variable is one of the factors that can change in an experiment.

  • Microwave 3 brands of popcorn. This will be done with 4 bags each brand.


Testing hypotheses

Testing Hypotheses

  • “Experimenting” at least 3 times or 14 days.

  • Earth processes are often observed for millions of years!

  • “Forever Young” – journals were kept on how Mel Gibson stayed young.


Collecting and interpreting data

Collecting and Interpreting Data

  • Data – facts, figures, and other evidence gained through observation

  • CSI – crime data

  • Measurements

  • Analyze the data to see if it supports their hypothesis.


Measuring

Measuring

  • Enables scientists to record what they observe in a way that others can understand easily.

  • Scientist use a worldwide system

  • International System of Units – SI units

  • Use metrics – cm, m, mg, liters


Drawing conclusions

Drawing Conclusions

  • Do not use crayons or markers

  • Making a conclusion based on the data from your experiment.

  • Relate to the hypotheses…..

  • My hypothesis was incorrect. Wal-Mart brand had the fewest kernels and tasted the best.


Models simulations

Models & Simulations

  • A simulation is a model that imitates something in the real world.


Scientific theories

Scientific Theories

  • A well-tested scientific concept that explains a wide range of observations.

  • When theory tests fail, scientist change the theory or abandon it.


Laboratory safety

Laboratory Safety

  • Symbols alert you to needed precautions, such as wearing goggles to protect your eyes.


Technology and the internet in earth science

Technology and the Internet in Earth Science

  • Two ways that technology helps scientists

    • Collect data

    • Helps them to communicate their discoveries to other scientists and to the public.


Branches of earth science

Branches of Earth Science

  • Earth science – knowledge about Earth and its place in the universe.

    • Geology

    • Oceanography

    • Meteorology

    • Astronomy


Branches

Branches

  • Geology – study of the solid Earth.

  • Oceanography – study of Earth’s oceans.

  • Meteorology – study of Earth’s atmosphere.

  • Astronomy – study of the universe beyond Earth.

  • Environmental scientists – study the environment and it’s resources.


Websites

Websites

  • http://kids.earth.nasa.gov/archive/career/index.html

  • http://geology.com/

  • http://www.chevron.com/about/careers/career_options/earth_science/

  • http://www.classzone.com/books/ml_science_earth/page_build.cfm?content=careers&state=none#item


Websites1

Websites

  • http://earthsci.org/

  • http://yahooligans.yahoo.com/Science_and_Nature/Careers/

  • http://www.khake.com/page86.html

  • http://www.earthguide.ucsd.edu/

  • http://www.nasa.gov/audience/forstudents/9-12/career/index.html

  • http://www.earth.uni.edu/academics.html


Earth science websites

Earth Science Websites

  • http://image.gsfc.nasa.gov/poetry/ask/askmag.html

  • http://www.kaibab.org/geology/gc_geol.htm

  • http://nasajobs.nasa.gov/astronauts/

  • http://www.spaceforspecies.ca/space_tech/careers_space_science.htm

  • http://www.careersmarts.com/science.htm


Earth science websites1

Earth Science Websites

  • http://www.eos.ubc.ca/public/careers/index.html

  • http://www.hrw.com/science/si-science/index.html

  • http://www.earthsky.org/browse/index.php?c=General+Science

  • http://scienceforfamilies.allinfo-about.com/subjects/earthscience.html


Earth science websites2

Earth Science Websites

  • http://geology.about.com/b/a/2005_08_21.htm

  • http://www.ncsu.edu/sciencejunction/terminal/imse/lowres/1/earth.htm

  • http://www.niehs.nih.gov/kids/links.htm

  • http://www.kiwicareers.govt.nz/lists/jobs/talpfrm.htm


Websites2

Websites

  • http://www.route-one.com/teachers/jaymeherbert/index.asp?pageid=106

  • http://www.education-world.com/science/

  • http://www.sciencenewsforkids.org/pages/search.asp?catid=6


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