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Science Unit 4-Common Assessment #2

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  • What forces cause metamorphic rock?
    heat and presure from above the rock pressing down on it
  • What are common natural resources found in Florida?
    Water, phosphate, limestone, soil, silica, plants, animals
  • Can softer minerals scratch harder minerals?
    no
  • How long does it take for the moon phases to go through one cycle?
    About a month or 4 weeks
  • All kinds of weathering produce _________.
    sediment
  • Is wind power a renewable or nonrenewable resource?
    Wind power is a renewable resource.
  • When sediment is left behind or comes to its final resting spot it is called ________.
    deposition
  • What is one way you could model craters forming on the moon?
    Drop droppers full of water onto a pan of flour. Can you think of another?
  • What causes the sun to set and makes day turn into night?
    The Earth rotates from west to east, making the sunrise and sunset each day.
  • Why are some constellations able to be seen during certain seasons?
    The Earth's revolution (orbit) around the sun only allows for some of the constellations to be seen at any one time
  • What does the "1" hardness rating of talc mean?
    It is a very soft mineral.
  • Is solar power a renewable or nonrewable resource?
    Solar power is a renewable resource.
  • What makes the sun appear to move across the sky during the day?
    The earth's rotation makes the sun appear to move throughout the day.
  • What are minerals?
    crystals that make up rocks
  • Do constellations change postition in the sky throughout the night?
    Yes, due to the earth's rotation it seems like the constellations are moving across the sky during the night.
  • When a rock is exposed to very high temperatures and pressures and it changes into a new kind of rock, what kind of rock will it become?
    a metamorphic rock
  • When you scratch a mineral on a ceramic plate, what are you testing?
    The mineral's streak
  • What does the "10" hardness rating of a diamond mean?
    It is a very hard mineral.
  • Is limestone classified as a renewable or nonrenewable resource?
    Limestone is a nonrenewable resource.
  • What is a nonrewable resource?
    Resources that cannot be replaced easily or can never be replaced.
  • Can harder minerals scratch softer minerals?
    yes
  • A nonliving solid with a crystal form is called a ___________.
    mineral
  • What is revolution?
    the movement of one object around another
  • What is weathering?
    Anything that breaks apart rocks
  • What is erosion?
    The movement of broken off rock
  • What do we call the spinning of the earth on its axis?
    rotation
  • What is a renewable resource?
    a resource that can be replaced quickly or easily
  • What order do moon phases go through?
    new moon, 1st quarter moon, full moon, 3rd quarter moon
  • What kind of rock has layers of sediment that get cemented together under pressure?
    sedimentary rock
  • Why is it important to develop renewable energy resources?
    Nonrenewable energy resources are limited and we could run out of them.
  • What two types of erosion cause landslides?
    water erosion and gravity erosion
  • What characteristic of a mineral could scientists study under a microscope?
    the repeated crystal shape of the mineral
  • What type of rock is formed when magma or lava hardens?
    igneous rock
  • How could two scientists see different constellations in the night sky at the same time?
    They are on opposite sides of the Earth.
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