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Unit 2 Science 4 review

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  • Erosion is a fast process (T/F)
    False
  • What is it called? (valley or canyon)
    Canyon
  • The oldest rocks are the ones on the bottom layer (T/F)
    True
  • What type of scientists were we acting like in Unit 2: Earth Features?
    A biologist
    A conservation biologist
    A geologist
    A paleontologist
  • 4. Fossils are rare because the dead animal has to be_______
    d. Buried quickly
    b. Buried very slowly
    a. Be burned by fire
    c. Only sediment makes fossils
  • Sedimentary rock is usually made near _____________________.
    Mudstone
    Cementation
    Water
    Volcanoes
  • What animal did the fossil we found belong to
    Megalodon
    Mumbojumbosaurus
    Mosasaurus
    Tyrannosaurs Rex
  • What is it called when more and more sediment builds on top and squishes the layers below?
    compact (verb - compacting)
  • Canyons are made very slowly by things like wind and water in a process called _____________________.
    Fossil
    Compacts
    Sediment
    Erosion
  • What is it called? (valley or canyon)
    Valley
  • What does not cause erosion?
    Water
    Sedimentary rock
    Wind
    Ice
  • What are the four ways that fossils can be created: Amber, tar pits, sandstorm, and __________.
    Heating
    Burning
    Freezing
    Sleeping
  • Tokay Geckos have high sensitivity light receptors (T/F)
    True
  • Water carries sediment (T/F)
    True
  • (T/F) Environments are always stable over long times
    True
    False
  • 5. What is an inference?
    d. An idea or guess based on observations
    a. A type of sedimentary rock in a canyon.
    c. A type of receptor.
    b. A random guess.
  • (T/F) A fossil is made when something dies and is covered with erosion
    True
    False
  • 2. Mudstone, Sandstone, and Siltstone are all sedimentary rocks but they are made with different _______________.
    d. data
    c. sediments
    b. environments
    a. fossils
  • 8. What animal did the fossil we found belong to
    h. Mumbojumbosaurus
    f. Megalodon
    g. Mosasaurus
    e. Tyrannosaurs Rex
  • Fossils are easy to find (T/F)
    False
  • Why arent there any fossils by Volcanoes?
    The hot lava will burn and destroy them
  • (T/F) The upper layers of rock are the oldest layers
    False
    True
  • 9. What are the four ways that fossils can be created: Amber, tar pits, sandstorm, and ______
    i. Heating
    j. Freezing
    l. Sleeping
    k. Burning
  • (T/F) Over time, a rock layer gets bigger as sediment continues to build up
    False
    True
  • What does evidence mean?
    Information that proves something right.
  • Erosion is when sediment builds up in a new place (T/F)
    False
  • A geologist studies animals and plants (T/F)
    False
  • What does inference mean?
    Make a guess based on what you know
  • Different sedimentary rocks form in different environments (T/F)
    True
  • What is sediment made of?
    Sand, rock, and mud
  • 3. A sedimentary rock layer forms when sediment builds up, __________ and cements over a long time.?
    a. compacts
    d. Fossil
    b. Erosion
    c. sediment
  • A conservation biologist were the people helping the Tokay Gecko (T/F)
    True
  • In what type of rock do we find fossils?
    Sedimentary Rock
  • What affects how a canyon is made?
    a. A type of sedimentary rock.
    b. Wind and rain.
    d. Time and the speed of ice.
    c. Time and the speed of water
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