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5 Written questions

5 Matching questions

  1. Full moon
  2. Seasons
  3. Light year
  4. Waxing phases
  5. Gravity
  1. a periods of time in Earth's year that have different numbers of hours of daylight and different angles to the Sun's rays because of Earth's tilted axis
  2. b the force of attraction between two masses; a more massive object has greater pull on a less massive object; the closer the objects, the greater the pull
  3. c the lighted side of the Moon gradually increases
  4. d all of the lighted side faces the Earth
  5. e a unit of distance that astronomers use to measure distance to stars and galaxies in space; equal to the distance light travels in one year

5 Multiple choice questions

  1. either of two days during the year when the tilt of Earth causes the length of day to be the longest or the shortest
  2. contains instruments and travels through space to gather information and transmit it back to Earth
  3. an optical instrument that separates the light given off by an object into bands of different colors; can be used to identify elements in a star
  4. most prominent layer of the Sun's atmosphere; emits the light we see; is blocked during a total eclipse
  5. a mass of frozen gases and rock particles that orbits the Sun

5 True/False questions

  1. Weighta mass of frozen gases and rock particles that orbits the Sun


  2. Gibbous moonmore than one-half of the lighted side of the Moon faces Earth but not yet full


  3. Meteoroida piece of rock, smaller than a planet, that orbits the Sun; many are found orbiting in a region between Mars and Jupiter


  4. Galaxyregions in outer space made up of billions of stars, gas, and dust clouds; they have different shapes - elliptical, spiral, irregular


  5. Ellipticalthe slightly oval shape of Earth's orbit around the Sun