Earth Portrait of a Planet Chapter 2 Questions and Answers Fully Solved Latest Version 2025

Earth Portrait of a Planet Chapter 2 Questions and Answers Fully Solved Latest Version 2025 Components of the solar system - Answers *Diffuse edge *Empty Space *Sun *Interplanetary Space *Planets *Smaller objects (asteroids and comets etc.) Diffuse Edge defined by - Answers *Faint pull of sun's gravity *Oort Cloud (ice and rock) *50,000 au form sun. Heliosphere - Answers The region inside the heliopause containing the sun and solar system, also effected by solar winds. 200 au from sun. Interplanetary space - Answers The space between the planets Outer Ice giant planets - Answers Neptune and Uranus Gas Giant Planets - Answers Saturn and Jupiter Terrestrial Planets - Answers Mars, Earth, Venus, and Mercury Asteroid - Answers A small, rocky object that orbits the sun; most asteroids are located in the asteroid belt between the orbits of Mars and Jupiter. 2 origin ideas; broken up planets or original rock that never went into a planet. Comet - Answers Pale, fuzzy, elongated, shaped organic compounds and dust. *Head (nucleus "dirty snowball", and the Coma "atmosphere around''). Tail (debris coming out of coma) 1.Meteor rites roids - Answers (1. Interplanetary debris that emit light when entering atmosphere. Aka shooting stars. (2. Before entering the atmosphere (3. Any piece left that finds its way to the ground. Earths magnetic field - Answers Giant dipole magnet. Has N and S ends and grows weaker with distance. Magnetic flux - Answers Is directional from N to S along field lines outside the bar and S to N along the bar magnet. Magnetic field lines - Answers Extends to into space, weakens with distance, and forms a shield around the earth (magnetosphere). Van Allen belts (in magnetic field) - Answers Bands of high radiation circling the Earth 1)Northern Lights 2)Southern Lights - Answers 1)Aurora Borealis 2)Aurora Austrails Atmosphere - Answers Gases envelope. Mostly nitrogen and oxygen. 1% argon carbon dioxide, water vapors, and other trace gases. Thins away from earth. Denser closer to earth. Atmosphere with increasing elevation - Answers Pressure, Density, and Oxygen all decrease. Troposphere - Answers The lowest mixing layer of the atmosphere, weather is confined to this layer. Temp decreases upwards. Stratosphere - Answers 2nd layer. Contains the ozone layer. No mixing. Temp ^ upwards. Mesosphere - Answers 3rd layer of the atmosphere. Temp decreases upwards. Thermosphere - Answers The uppermost layer of the atmosphere, in which temperature increases upwards. Ionosphere - Answers the lower part of the thermosphere, where electrically charged particles called ions are found. Pauses - Answers Separation of each layer. Earths different system - Answers Atmosphere- Gaseous Envelope Hydrosphere- Blue liquid water