Science 6th Grade 1st semester

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khpmkp
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257558
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Science 6th Grade 1st semester
Updated:
2014-01-20 17:22:45
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rocks
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Science test
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  1. What types of rocks may contain crystals which frequently can be seen by the unaided eye?
    Igneous (intrusive)
  2. What type of rocks which cooled rapidly contain no crystals and therefore appear glassy?
    Igneous (extrusive)
  3. What type of rocks may be found in many colors and often show different-colored crystals that are not in bands?
    Igneous
  4. What type of rocks have holes from gas boiled out of melted rock?
    Igneous (extrusive)
  5. What type of rocks are composed of fragments of other rocks that look very much like sediment?
    Sedimentary
  6. What type of rocks are of organic origin, composed of plant and animal products or remains (these rocks often contain fossils)?
    Sedimentary
  7. What type of rocks often have distinct parallel layers?
    Sedimentary
  8. What type of rocks often may look like igneous rocks except that they do show bands of color or minerals?
    Metamorphic
  9. What type of rocks may show signs of bending and distortion?
    Metamorphic
  10. In what type of rock will mineral crystals generally be flattened?
    Metamorphic
  11. What type of rock includes conglomerate and limestone?
    Sedimentary
  12. What type of rock includes gneiss and marble?
    Metamorphic
  13. What type of rock includes basalt and obsidian?
    Igneous
  14. What processes forms an igneous rock?
    Slow cooling of liquid magma (intrusive) and solidified lava (extrusive)
  15. What does intrusive mean?
    Cooling of magma inside the earth
  16. What does extrusive mean?
    Cooling outside of the earth (lava)
  17. What type of rock consists of shell fragments and other sediments from other rocks?
    Sedimentary
  18. What happens to rocks when they are physically weathered?
    They change in appearance
  19. What happens to rocks when they are chemically weathered?
    They change the composition of the rock
  20. What is bias?
    The assumption that a hypothesis is true or false without evidence one way or another.
  21. What type of weathering includes:
    Frost heaving and Frost wedging
    Plant roots
    Friction and impact
    Burrowing of animals
    Temperature changes
    Physical weathering
  22. What type of rock is formed when heat and pressure is applied to sedimentary rock?
    Metamorphic
  23. What is formed when metamorphic rock melts?
    Magma
  24. What type of rock forms when magma cools?
    Igneous rock
  25. What type of rock forms when Igneous rocks are exposed to weathering and erosion?
    Sedimentary rock
  26. What type of rock is formed when Metamorphic rocks are exposed to weathering and erosion?
    Sedimentary rock
  27. What is formed when sedimentary rock melts?
    Magma
  28. What type of rock forms when Igneous rock is placed under heat and pressure?
    Metamorphic
  29. What is an independent variable?
    What the investigator changes, the factor that the experimenter changes
  30. What is a dependent variable?
    What changes as a result of the independent variable or what is measured or counted, the factor that is measured or counted
  31. What is control or constants?
    Something that stays the same in an experiment
  32. What is a variable?
    Something that changes
  33. What is a control group?
    A group you start with and compare your experiment to.
  34. What makes a scientific investigation a fair, well designed test?
    Has a control group, has a testable problem, has only one independent variable (everything else is kept constant), has repeated trials, has a large enough sample size.

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