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Science 8 Quarter 2 Pre-Test

Quiz by CMullins

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10 questions
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  • Q1
    When liquid water freezes and becomes ice, what happens to its density?
    Question Image
    it cannot be determined
    it stays the same
    it increases
    it decreases
    30s
  • Q2
    What are the 3 main states of matter?
    Question Image
    temperature, pressure, and energy
    hot, cold, and warm
    ice, water, and steam
    solid, liquid, and gas
    30s
  • Q3
    What is in the nucleus of an atom?
    Question Image
    protons and neutrons
    isotopes
    only protons
    electrons
    30s
  • Q4
    How can you tell that a chemical reaction has occurred?
    Question Image
    Check the temperature of the substances
    Look for bubbling of the starting substance
    Compare the chemical properties of the starting substances and ending substances
    Look for a change in state
    30s
  • Q5
    A jar contains a mixture of sand and pebbles. What kind of mixture is it?
    Question Image
    compound
    homogeneous
    heterogeneous
    solution
    30s
  • Q6
    What is true about minerals?
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    They are made of once-living things.
    They do not have a specific structure
    They are often made in an industrial lab but are also found everywhere in nature.
    They are naturally occurring, made of non-living things, have a crystal structure, and are solid.
    30s
  • Q7
    Which type of rock is usually found near volcanoes?
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    limestone
    sedimentary
    igneous
    metamorphic
    30s
  • Q8
    Which step follows writing a hypothesis in the scientific method?
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    communicating your results
    asking a question
    making an observation
    carrying out the experiment
    30s
  • Q9
    Which fossils is the oldest in this image?
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    trilobites
    horses
    dinosaurs
    armored fish
    30s
  • Q10
    Which vocabulary word refers to the temperature and precipitation over a long period of time in a certain location?
    Question Image
    weather
    ecosystem
    climate
    equilibrium
    30s

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