...gravitational force by Earth, and the centripetal...
...Copernicus saw that Earth is like the...
...in orbit around Earth (Figure 5.1). Is...
...is falling around Earth, in the same...
...falls down to Earth. Section 5.2 It...
...seems miraculous that Earth's gravitational force could...
...gravitational force on Earth (law of force...
...the sun holds Earth and other planets...
...moon as one Earth, and the force...
...the force by Earth on two moons...
...falling freely around Earth. True weightless occurs...
...equally fast. 2. Earth's gravity pulls equally...
...in orbit around Earth's center (although you...
...center due to Earth's spinning motion). You...
...the sun. 6. Earth, and the sun....
...you exert on Earth is equal to...
...influenced partly by Earth's gravity. 11. 8000...
...be less than Earth's mass, so your...
...the distance on Earth, so your weight...
...19. The sun, Earth's moon, planets such...
...much larger than Earth's radius. 21. Yes,...
...your distance from Earth's center would be...
...force on the Earth satellite would be...
...be larger (because Earth's mass is larger...
...mass), so the Earth satellite would have...
...larger acceleration, the Earth satellite would have...
...point directly toward Earth's center, and v...
...directly downward, toward Earth's center. v points...
...question. 37. No. Earth does not have...
...its weight on Earth (Problem 6). –11...
...The force by Earth on the moon...
...is directed toward Earth's center. 8. The...
...the moon on Earth (Problem 6). 9....
...N, directed toward Earth's center. 53 Physics:...

...occur naturally on Earth, and what is...
...from Mars to Earth (depending on where...
...where Mars and Earth are in their...
...and people on Earth? Suppose an ultra-powerful...
...minutes to reach Earth, while light from...
...Suppose you viewed Earth’s dark side from...
...Could you “photograph” Earth using ultraviolet-sensitive film?...
...energy that reaches Earth in the infrared...
...normal air at Earth’s surface contains about...
...the radius of Earth’s orbit from the...
...times larger than Earth’s radius!). To simplify...
...normal air at Earth’s surface contains about...

...acceleration? 3. Does Earth exert a force...
...managed to double Earth’s mass? What if,...
...you were orbiting Earth in a satellite...
...Gravity 1. Does Earth’s gravity pull more...
...resistance)? 2. Does Earth’s gravity pull more...
...around (falling around) Earth’s center? Is there...
...gravitational force on Earth? If so, how...
...How far does Earth’s gravitational influence extend?...
...spacecraft travels from Earth to the moon,...
...ever entirely leave Earth’s gravitational influence? 11....
...the satellite on Earth? 12. What would...
...circular orbit around Earth at the moon’s...
...moon’s distance from Earth? 13. If gravity...
...the shape of Earth’s orbit? What about...
...gravitational force by Earth on the moon...
...the moon on Earth? 16. How strongly...
...what direction does Earth pull on a...
...apple pull on Earth? 17. Suppose you...
...was identical to Earth on the surface...
...larger radius than Earth but having the...
...total mass as Earth. Would this affect...
...gravitational effect on Earth’s motion. 20. The...
...more massive than Earth. It seems, then,...
...it weighs on Earth. But it actually...
...low orbits around Earth. Could you tell,...
...orbit, one around Earth and one around...
...the center of Earth and the moon)...
...the knowledge that Earth’s mass is larger...
...fixed point on Earth’s surface, enabling sending...
...complete orbit around Earth)? 29. In the...
...Collapse 34. If Earth collapsed to one-tenth...
...weigh? 35. If Earth expanded to 10...
...distance of 10 Earth radii from Earth’s...
...Earth radii from Earth’s center. Compare with...
...question. 37. Will Earth ever collapse to...
...previous value. 3. Earth’s mass is and...
...object lying on Earth’s surface. 4. The...
...the moon on Earth. Their masses are...
...the force by Earth on the moon?...
...the force by Earth on the moon?8....
...the sun on Earth. Their masses are...
...the force by Earth on the sun?...
...the force by Earth on the sun?...

...1 Introduction to Earth 1) The word...
...of rocks B) Earth description C) planet...
...the world. 3) Earth's "life zone" in...
...atmosphere extends from Earth's surface to an...
...the patterns of earth's surface Science Outcomes:...
...C) revolution around Earth D) not relevant...
...portion of the Earth system is known...
...the ________. A) Earth B) lithosphere C)...
...1 Topic/Section: 1.2 Earth's Environmental Spheres Bloom's...
...environmental spheres of Earth. 13) Which of...
...living things on Earth? A) atmosphere B)...
...1 Topic/Section: 1.2 Earth's Environmental Spheres Bloom's...
...and biomes of Earth's surface Science Outcomes:...
...environmental spheres of Earth. 14) The Sun...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...system. 17) The Earth is one of...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...solar system. 19) Earth is ________. A)...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...dwarf planet. A) Earth B) Venus C)...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
..."Big Bang" B) Earth Day C) the...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...kilometers distant from Earth. A) 3.85 B)...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...solar system. 33) Earth's diameter is ________...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...measurement of the Earth's circumference was made...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...The response to Earth's rotation is ________....
...and Shape of Earth Bloom's Taxonomy: B....
...the size of Earth with the size...
...accurately measure the Earth's ________. A) radius...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...shape of the Earth is as a(n)...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...cross section of Earth cut from pole...
...and Shape of Earth Bloom's Taxonomy: C....
...the size of Earth with the size...
...tallest mountain on Earth and its altitude...
...and Shape of Earth Bloom's Taxonomy: F....
...the size of Earth with the size...
...features. 42) The Earth's polar and equatorial...
...and Shape of Earth Bloom's Taxonomy: B....
...the size of Earth with the size...
...maximum flattening on Earth's surface is called...
...and Shape of Earth Bloom's Taxonomy: F....
...the size of Earth with the size...
...A ________ separates Earth into two hemispheres....
...a location on Earth. 46) Of the...
...a location on Earth. 47) Which of...
...the size of Earth with the size...
...a location on Earth. 50) The 0°...
...regions to interpret Earth's complexity Science Outcomes:...
...a location on Earth. 52) The highest...
...a location on Earth. 53) In angular...
...regions to interpret Earth's complexity Science Outcomes:...
...a location on Earth. 54) Which of...
...a location on Earth. 55) The Greenwich...
...a location on Earth. 57) The graticule...
...graticule of the Earth is also known...
...regions to interpret Earth's complexity Science Outcomes:...
...a location on Earth. 58) The geographic...
...regions to interpret Earth's complexity Science Outcomes:...
...a location on Earth. 59) One degree...
...a location on Earth. 60) At the...
...NOT contained within Earth's system of latitude...
...a location on Earth. 63) Numbered meridians...
...regions to interpret Earth's complexity Science Outcomes:...
...a location on Earth. 64) Which of...
...a location on Earth. 65) The speed...
...The speed of Earth's rotation is closest...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the year, the Earth's axis is parallel...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...taken by the Earth relative to the...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...year. 68) The Earth/Sun aphelion occurs once...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...constant angle between Earth's axis and the...
...Ecliptic is called Earth's ________. A) polarity...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...effect of the Earth's rotation is ________....
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...year. 71) The Earth rotates about its...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...inclination of the Earth's axis with respect...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...of sunlight around Earth during the year....
...Rotation of the Earth DOES NOT cause...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...The cause of Earth's seasons is the...
...shape of the Earth D) varying distance...
...varying distance between Earth and Sun E)...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...The shape of Earth's orbit around the...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...on which the Earth revolves. A) aphelion...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...north end of Earth's axis points towards...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...to seasons if Earth's axis were to...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...E) the average Earth/Sun distance Answer: E...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of the aphelion, Earth is ________ million...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...of time the Earth takes to revolve...
...tropical year D) Earth sol E) great...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the year. 86) Earth rotates around its...
...to and bisecting Earth's axis is known...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...a location on Earth. 87) The Earth...
...Earth. 87) The Earth is 3.3 percent...
...3 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...rotation of the Earth B) an hour...
...solar day on Earth D) a revolution...
...revolution of the Earth E) They all...
...3 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...maximum distance between Earth and Sun occurs...
...the patterns of earth's surface Science Outcomes:...
...the patterns of earth's surface Science Outcomes:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the patterns of earth's surface Science Outcomes:...
...the patterns of earth's surface Science Outcomes:...
...the patterns of earth's surface Science Outcomes:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...of sunlight around Earth during the year....
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...the radius of Earth B) tell local...
...of sunlight around Earth during the year....
...regions to interpret Earth's complexity Science Outcomes:...
...of sunlight around Earth during the year....
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...a location on Earth. 116) Which of...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...120) Most of Earth's land surface is...
...subsystems of the Earth. Answer: FALSE Diff:...
...2 Topic/Section: 1.2 Earth's Environmental Spheres Bloom's...
...the patterns of earth's surface Science Outcomes:...
...the concept of Earth Systems helps us...
...environmental "spheres" of Earth. 124) The "geosphere"...
...2 Topic/Section: 1.2 Earth's Environmental Spheres Bloom's...
...the patterns of earth's surface Science Outcomes:...
...environmental spheres of Earth. 125) The Sun...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...Outcome: 1.5 Describe Earth’s relationships within the...
...system. 129) The Earth's circumference is close...
...and Shape of Earth Bloom's Taxonomy: B....
...the size of Earth with the size...
...vertical distance between Earth's highest mountain and...
...and Shape of Earth Bloom's Taxonomy: B....
...the size of Earth with the size...
...features. 131) The Earth has the shape...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...fact that the Earth is round has...
...and Shape of Earth Bloom's Taxonomy: B....
...the size of Earth with the size...
...rotation of the Earth is 0 kilometers...
...and Shape of Earth Bloom's Taxonomy: C....
...a location on Earth. 135) The lowest...
...and Shape of Earth Bloom's Taxonomy: B....
...the size of Earth with the size...
...surface of the Earth. Answer: TRUE Diff:...
...a location on Earth. 138) The Equator...
...a location on Earth. 140) There is...
...a location on Earth. 142) On the...
...a location on Earth. 143) The Prime...
...regions to interpret Earth's complexity Science Outcomes:...
...a location on Earth. 144) Earth revolves...
...on Earth. 144) Earth revolves around the...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...a location on Earth. 147) The Earth...
...Earth. 147) The Earth year's length of...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the year. 148) Earth years are based...
...Moon around the Earth. Answer: FALSE Diff:...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the tides in Earth's oceans. Answer: TRUE...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...rotation of the Earth takes approximately 24...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...a location on Earth. 153) The shortest...
...distance between the Earth and Sun during...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...spin of the Earth. Answer: TRUE Diff:...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...Outcome: 1.5 Describe Earth’s relationships within the...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...a location on Earth. 157) The circle...
...illumination divides the Earth into a light...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...of sunlight around Earth during the year....
...of sunlight around Earth during the year....
...of sunlight around Earth during the year....
...noon strike the Earth at the angle...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...of sunlight around Earth during the year....
...smaller areas of Earth's surface. Answer: TRUE...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...
...1 Topic/Section: 1.2 Earth's Environmental Spheres Bloom's...
...the patterns of earth's surface Science Outcomes:...
...the concept of Earth Systems helps us...
...environmental "spheres" of Earth. 182) Science understands...
...Outcome: 1.5 Describe Earth’s relationships within the...
...the circumference of Earth: ________. Answer: Eratosthenes...
...and Shape of Earth Bloom's Taxonomy: A....
...the size of Earth with the size...
...over the entire Earth is known as...
...a location on Earth. 186) If you...
...a location on Earth. 187) Earth's axis...
...on Earth. 187) Earth's axis is tilted...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...North Pole or Earth's axis Diff: 1...
...1 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...a location on Earth. 189) If the...
...axis of the Earth was not "tilted,"...
...was not "tilted," Earth would not experience...
...2 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...regions to interpret Earth's complexity Science Outcomes:...
...hypothesis that the Earth is round. Answer:...
...from within the Earth system. Answer: This...
...2 Topic/Section: 1.2 Earth's Environmental Spheres Bloom's...
...the patterns of earth's surface Science Outcomes:...
...the concept of Earth Systems helps us...
...environmental "spheres" of Earth. 196) Write an...
...each within the Earth system. Answer: Any...
...apparent in the Earth system than closed...
...3 Topic/Section: 1.2 Earth's Environmental Spheres Bloom's...
...the patterns of earth's surface Science Outcomes:...
...the concept of Earth Systems helps us...
...environmental "spheres" of Earth. 197) Explain why...
...the ends of Earth's axis of rotation....
...orbital plane of Earth. Equator: center of...
...3 Topic/Section: 1.5 Earth Movements Bloom's Taxonomy:...
...the patterns of earth's surface Science Outcomes:...
...198) Describe the Earth/Sun relationships which cause...
...the patterns of earth's surface Science Outcomes:...
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...the patterns of earth's surface Science Outcomes:...
...of sunlight around Earth during the year....
...regions to interpret Earth's complexity Science Outcomes:...
...regions to interpret Earth's complexity Science Outcomes:...

...of Life on Earth Lecture Outline Overview:...
...Conditions on early Earth made the origin...
...processes on early Earth, aided by the...
...in laboratory experiments. Earth and the other...
...million years after Earth’s formation. The planet...
...bombardment of early Earth slowed, conditions on...
...eruptions today. As Earth cooled, the water...
...conditions on early Earth favored the synthesis...
...radiation to reach Earth. Haldane suggested that...
...postulated for early Earth. They discharged sparks...
...first life on Earth arose may have...
...living organisms on Earth. Living things make...
...Laboratory simulations of early-Earth conditions have produced...
...formed on early Earth? The abiotic origin...
...reactions on early Earth. Protobionts can form...
...occurred on early Earth. Modern molecular biology...
...have lived on Earth. Many past organisms...
...align themselves with Earth’s magnetic field. When...
...have determined that Earth’s north and south...
...of life on Earth, which is divided...
...has existed on Earth. It is divided...
...the history of Earth and life on...
...and life on Earth. The boundaries between...
...years ago, when Earth first cooled to...
...ice ages gripped Earth from 750 to...
...covered all of Earth’s landmasses, and the...
...to the “snowball Earth” hypothesis, life would...
...thawing of snowball Earth, about 575 million...
...and adaptive radiations. Earth’s continents drift across...
...plates of crust. Earth’s continents move over...
...which all of Earth’s landmasses came together...
...years from now. Earth’s continents drift across...
...on life on Earth. About 250 million...
...of species on Earth. A species may...
...more of the Earth’s species became extinct....
...rare element on Earth but is common...
...that fall to Earth. Walter and Luis...
...comet collided with Earth. The cloud would...
...of animals on Earth today. Adaptive radiations...

...life possible on Earth, astronomers hope to...
...makes life on Earth possible. All organisms...
...gas. Three-quarters of Earth’s surface is submerged...
...water. Life on Earth began in water...
...of water make Earth fit for life:...
...moderates temperatures on Earth. Water moderates air...
...specific heat affects Earth as a whole...
...for life on Earth by affecting water’s...
...which fall to earth with rain or...
...reflective blanket over Earth that prevents heat...
...continued life on Earth. Lecture Outline for...

...Introductory Environment Science •Earth’s Waters 2 freshwater...
...Water on the Earth 1/3 available oceanother...
...water compound near Earth’s surface Only3%freshwaterOnly •Most...
...m •70% of Earth is covered with...
...with se•30% of Earth is dry land...
...salt water covering Earth’s surface1.The Atlantic Ocean2.The...
...Mixing time of Earth’s seawater • Two...
...minutes •Produced by Earth-Moon gravitat•Basic pattern of...
...of prevailing windthe Earth, ocean basin shapes...