Study

JS5_U34_D2

  •   0%
  •  0     0     0

  • How many Earth’s volcanoes are active? [pg.138]
    About 1500
  • Tell what happened to Mount St. Helens between 8:27 AM and 8:33 AM.
    The 3 pictures in the book - page 140
  • What happened in Washington on May 18, 1930? [pg.140]
    A volcano named Mount St. Helens erupted.
  • What type of literature is Volcano?
    Science article
  • Why is the sky so dark in the picture on page 142?
    The ash from the volcano darkened the sky.
  • Why is it dangerous to live near a volcano? [pg.140]
    Because volcanoes can erupt without warning.
  • Which sentence best summarizes the central idea of this article? [pg.142]
    Volcanoes are one of the forces on Earth that we live with but cannot control
  • What dangers do scientists face when they study volcanoes? [pg.136]
    "If you aren't careful, you'll melt your boots on the hot rock. Or worse!"
  • What’s the difference between “runny lava” and “thick lava”? [pg.136]
    "Runny lava" flows fast, it piles up in thin layers. "Thick lava" flows slowly, it piles up in thick layers.
  • Why do people farm the land near volcanoes? [pg.139]
    Ash from volcanoes is good for soil, so crops grow well.
  • Why do authors organize information in a science article?
    To show how events are related.
  • What happens to make a volcano erupt? [pg.136]
    The pressure and high temperature near the center of the Earth change the rock to liquid. The pressure can force the liquid rock upward.
  • What is a science article?
    It gives information about the natural world.
  • Where does the word “volcano” come from? [pg.136]
    It comes from the name of a Roman god: Vulcan.
  • What does “plate boundaries” mean? [pg.138]
    Areas where Earth's plates meet
  • Look at the picture, how is Mount St. Helens different from before it erupted? [pg.141]
    There is a big depression on top of the mountain now.
  • What is the Ring of fire? [pg.138]
    A circle of volcanoes near the Pacific Ocean.
  • Where are volcanoes found? [pg.138]
    All over Earth