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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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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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