HNRS 353 010 w/ Dr. H. Geller Physical Origins 1 The Phase Diagram 2 Question What is the name of the phase change from liquid to gas?
A B C D E Vaporization Condensation Deposition Sublimation None of the above 3 Question
What is the name of the phase change from solid to gas? A B C D E Vaporization Condensation Deposition
Sublimation None of the above 4 Question What is the name of the phase change from gas to liquid? A B C D
E Vaporization Condensation Deposition Sublimation None of the above 5 Question What is the name of the phase change from gas to solid?
A B C D E Vaporization Condensation Deposition Sublimation None of the above 6 Question What is the name of the phase change from liquid to solid?
A B C D E Vaporization Condensation Deposition Sublimation None of the above
7 Recall Unique Properties of Water Density vs. Temperature 8 Question The density of liquid water is greater than the density of solid water (ice). A B True False
9 Question There is always more to an iceberg beneath the waters surface than above the waters surface A because liquid water is less dense than ice B because liquid water is more dense than ice C
because ice is more dense than liquid water D because water and ice are two different molecules E This is a false statement because theres always more of an iceberg above the surface than beneath the surface 10 Overview of Chapter 1 1.1 The Possibility of Life Beyond Earth Some discussion in 1st meeting What life are scientists searching for? Is it reasonable to expect life elsewhere in the universe?
1.2 The Scientific Context of the Search Usefulness of astronomy in search for life Utility of planetary science in search for life Earths biology and its usefulness for search for life 1.3 Places to Search Where should we search? In our solar system In our galaxy 11 Question An extrasolar planet (aka exoplanet) is A a planet that is larger than our Sun B
a planet that orbits a star other than our Sun C a planet located in another galaxy 12 Question A habitable planet is A a planet that has oceans like the Earth B a planet that has life of some kind C a planet that may or may not have
life, but that has environmental conditions under which it seems that life could arise or survive 13 Question By a geocentric view of the universe, we mean A the idea that Earth resides at the center of the universe B the idea that Earth is the only planet with life in the universe C a view of the universe shaped by
current understanding of geological science 14 Question According to current scientific understanding, life on Earth A was exceedingly improbable B arose quite soon after conditions allowed it C may have been inevitable, but took billions of years to arrive
15 Question The correct order of the eight official planets in our Solar System, from closest to farthest from the Sun is A Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune, Uranus B Mercury, Venus, Earth, Mars, Jupiter, Uranus, Saturn, Neptune C Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
16 Question Today, the research known as SETI is conducted primarily by A scanning the skies for signals from alien civilizations B sending spacecraft to the planets C using telescope to observe extrasolar planets 17
Question If we sent one of our current spacecraft to a nearby star (besides the Sun), the trip would take about A B C D D 10 years
100 years 1000 years 10,000 years 100,000 years 18 Question Scientists today are interested in searching for life on Mars because A we see clear evidence of a past civilization on Mars. B Mars contains frozen water ice at its polar caps. C evidence suggests that Mars had
liquid water on its surface in the distant past. 19 Question Based on current evidence, the object in our Solar System most likely to have a deep, subsurface ocean of liquid water is A B
C D E Mars Titan Venus Europa Io 20 Question Based on the way scientists view the study of astrobiology, failure to find life on any other world would mean A
the whole subject has been a waste of time. B we must have done something wrong, since life has to exist beyond Earth C we have learned important lessons about the conditions that made life on Earth possible 21 Overview of Chapter 1 1.4 The New Science of Astrobiology New, are you kidding? Bio-astronomy, exobiology Even Galileo and Kepler considered where else in our solar system we might find life IAU conference on bioastronomy in 1959!
Astrobiology according to Geller ODDS origins development distribution search 22 Discussion Questions Question #1:
A) Can life exist in places that never receive sunlight? If Yes What types of life forms could exist? If No Cite the physical reasons why life cannot exist without sunlight. B) What elements are the most important for the existence of life? Explain your reasoning. 23 Discussion Questions Question #2: A) Consider the following statement: "For a life form to exist, liquid water must be present in
the local environment in at least small amounts or for short time periods." Do you agree or disagree with this statement. If You Agree Explain why liquid water is necessary. If You Disagree What type of life could exist and what would the environment be like? B) We know that there are 8 major planets orbiting the Sun in our solar system. Would you expect there to be other planets orbiting other stars outside our solar system? Explain why or why not. 24 Discussion Questions Question #3: A) Can any forms of life exist in environments with temperatures much greater than 100C (the boiling point
of water) or much less than 0C (the freezing point of water)? If Yes What types of life forms could exist at either of these temperatures? State the form of life and the corresponding temperature. If No Cite the physical reasons why life cannot exist at either of these temperatures. B) Which of the following elements must be present for life to exist. Explain your reasoning for each choice. (consider hydrogen, potassium, zinc, oxygen, calcium, uranium, magnesium, sulfur, carbon, nitrogen, iron, and 25 sodium) Discussion Questions Question #4:
A) Describe an environment on Earth that would not allow any form of life to exist. Cite specific examples and explain why these environments cannot support life. B) Do scientists have evidence that indicates whether life exists anywhere other than Earth? Explain your reasoning. 26 For Next Meeting Read Chapter 2 in textbook In general you should be reading ahead for the upcoming classes 27
Times New Roman Comic Sans MS Monotype Sorts Arial Blank Presentation Microsoft Clip Gallery Baumrind's Theory of Parenting Baumrind's parenting Baumrind's parenting Other models of parenting Slide 6 SPIDER ROCK Complexities of Parenting Discipline Cognitive Development Cognition Piaget's first stage...
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