1) What helps make soil? a) Snow in cold areas b) Volcanic eruptions c) animals who migrate to other regions d) break down of wind, ice, and water 2) What is soil made of? a) Decomposed animals and weathered rocks b) Decomposed plants and weathered rocks c) Decomposed plants and animals and weathered rocks  d) Weathered water and rocks 3) How do volcanoes create new land on Earth? a) Magma forms giant chambers b) Saltwater makes lava change into steam c) Lava flows, cools down and hardens to form rock d) An eruption destroys a mountain 4) Which example is how a landslide changes the Earth's surface? a) sift materials through a strainer to sperate the soil and rocks. b) Pack materials in a container with a lid, and shake them quickly. c) Place materials on a tall, sloped surface and pour water on one side. d) Spread out materials on a flat surface and blow them away with a straw. 5) What could cause a structure to fall or shift due to sudden vibrations? a) A river flooding b) A landslide c) Earthquake d) Volcano 6) Which aren't rapid changes? (Select 2 answers) a) Landslide b) Volcanic Eruptions c) Water creating rivers d) Wind creating large rock formations e) Earthquakes f) Rainstorm 7) What causes a sudden movement that loosens rock and soil at the top of a steep slope? a) Tsunami b) Landslide c) Earthquake d) Volcano 8) What can cause landslides? a) Earthquakes and volcanoes b) a rainstorm or Tsunami c) Tsunami a river flooding d) River flooding and a volcano 9) What happens in a landslide? a) Lava flows down b) Large amounts of soil move at once c) Increase temperature in the air d) A river overflows 10) What are the similarities between volcanic eruptions, landslides, and earthquakes? (More than one answer) a) Rapid changes to Earth b) Ground shakes c) Natural forces d) caused by gravity e) Large waves crash f) Can be destructive

Unit 3: Earth Changes

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