Title: Chapter 2 A New View of the Earth
1Chapter 2A New View of the Earth
22-1 The Scientists Mind
- A. Three Scientists, Three Individuals
- a. Who is Carl Sagan?
- b. What is he famous for?
a noted astronomer and Pulitzer prize winner
32-1 The Scientists Mind
- c. Who is Enriqueta Barrera?
- d. What does she do?
- e. Who does Evan Forde work for?
- f. What does he feel is his greatest strength?
- She is the director of geobiology at the National
Sciences Foundation.
NOAA
Observation
42-1 The Scientists Mind
- B. Different Lives, Common Goals
- a. Where do scientists work?
- b. What do they all have in common?
Everywhere
They like to understand the world around them
52-1 The Scientists Mind
- C. Qualities of Scientific Thinking
- a. Evidence-Material or data that can be
measured and tested to verify their prediction. - b. Hypothesis-A tentative explanation for an
observation or phenomenon.
62-1 The Scientists Mind
- c. Technology-The practical application of
science to meet human needs. - d. The objective of scientific study is to
understand the natural world.
72-2 Scientific Methods of Inquiry
- A. How Scientists Approach Questions
- a. Scientific Inquiry-involves observing,
asking questions, forming hypothesis, and sharing
what has been learned. - b. What did Dr. Custer do?
He studied groundwater levels
82-2 Scientific Methods of Inquiry
- B. Peer Review and Scientific Journals
- a. Are you published?
- b. Peer Review- Experts in the field read and
review the paper for validity. - c. Why is this important?
To find errors and test honesty
92-2 Scientific Methods of Inquiry
- C. The Importance of Testing Ideas
- a. Why is it important to have your ideas
tested? - b. What happened in Utah?
To make sure you didnt mess up
Their results could not be repeated by other
scientists
102-2 Scientific Methods of Inquiry
- D. Scientific Theories and Laws
- a. Theory-An explanation for observable events
or facts for which no exception has been found. - - Example
112-2 Scientific Methods of Inquiry
- b. Law-They are generalizations about how the
natural world behaves under certain conditions. - -Example
122-3 Scientists Tools
- A. Tools to Study the Earth and Ocean
- a. Tools can be big, small, cheap or expensive
- b. What are some examples?
binoculars, submarine, microscope, hammer..
132-3 Scientists Tools
- B. Tools to Study the Sky and Stars
- a. What are some examples of weather
instruments? - b. What are some examples of Astronomy tools?
Weather balloon, thermometer, wind gauge.
Telescope, space ship.
142-3 Scientists Tools
- C. Tools with Many Uses
- a. What two tools have revolutionized earth
science? - b. Why?
- c. What is the most important tool?
Computers and Satellites
The mind