PPT-Life in the Earth System

Chapter 15 The biosphere is the part of the Earth where life exists The hydrosphere is all of the Earths water regardless of the state of matter solid liquid gas The atmosphere . 1.1 A New View of Earth. answer # 1-5 (pg. 7).  . 1.2 The Earth System's Four Spheres. answer # 1-6 (pg. 12).  . 1.3 Cycles and the Earth. answer # 1-5 (pg. 18).  . Chapter review questions. answer # 9, 10, 11, 12, 15, 18, 19-23 (pgs. 22-23). Formation of the Solar System. Formation of the Solar System. Scientists claim that 4.5 billion years ago there was just a featureless cloud of . gas..mostly. hydrogen and some helium with a little carbon and iron. New Ash Green Primary School 2004. System 1: Landing Confirmation. The side of the lander is covered with a touch-sensitive pad. This can detect when the lander has landed safely. Each tiny button can be pressed in to send information to the computer about the surface it has landed on.. Chemical conditions of the early Earth. . A model for the first cells. First life. Life changes the planet: oxygenating Earth’s oceans and atmosphere. Eukaryotic cells descended from prokaryotic cells. Activating Strategy: Comparing Planets. Fill in the Comparing Planets Chart with what you already know about the planets.. How does Earth compare to other planets in the solar system?. S6E1c. Compare and contrast planets in terms of: size relative to earth; surface and atmospheric features; relative distance from the sun; ability to support life. T God . loves us, and made the world . with us in mind. . S The sun . emits radiation which travels to the earth as light and heat.. T God . wants us . to love and obey Him. . S We . are mammals, like many others species on earth, and quite similar genetically to some of them.. 1.1 A New View of Earth. answer # 1-5 (pg. 7).  . 1.2 The Earth System's Four Spheres. answer # 1-6 (pg. 12).  . 1.3 Cycles and the Earth. answer # 1-5 (pg. 18).  . Chapter review questions. answer # 9, 10, 11, 12, 15, 18, 19-23 (pgs. 22-23). Learning Target:. What is necessary for life to be present in our solar system?. Science Starter:. Pg. 2 Life on Earth Workbook…Answer question 1. Supplies: Life on Earth Workbook. 1. Heartbeat. 2. Return Papers. The Sun-Earth-Moon System. The relationships between the Sun, Moon, and Earth are important to us in many ways. . The Sun-Earth-Moon System. The Sun provides light and warmth, and it is the source of most of the energy that fuels our society. . Earth and Sun Relationship. Earth completes one revolution around the sun every 365 ¼ days. . Revolution – the time it takes for the Earth to complete 1 orbit around the sun.. What is Rotation?. Rotation – the Earth rotates around its axis once every 24 hours.. How does the atmosphere support life?. The atmosphere allows us to breathe. Many different types of organisms need oxygen to perform life processes. Plants require carbon dioxide to undergo photosynthesis. . Conditions on early Earth made the Origin of Life possible.. Current theory about how life on Earth began.. Earth formed about 4.6 billion years ago.. Earth was too hot and still being bombarded by meteors, any water evaporated.. Non-living synthesis of simple . organic. molecules. All of the elements found in organic compounds are thought to have existed on Earth and in the rest of the solar system when the Earth formed. . But . 1. Artist’s Conception of Earth 3 billion years ago. 2. 3. I. . . Concept 25.1: The Origin of Life. A. Introduction. 1. Conditions at this time on Earth were such that life could have arisen by .