pencil-icon
Build your own quiz

Science

9th

grade

Image

Earth science flashcards

9
plays

20 questions

Show Answers
See Preview
  • 1. Multiple Choice
    30 seconds
    1 pt
    Image

    What probably caused the patterns in this rock?

    Flowing water or wind deposits

    Alternating lava and volcanic ash deposits

    Evaporating salt water

    Avalanches of soil and rock

  • 2. Multiple Choice
    30 seconds
    1 pt

    A group of students wants to make a map of a small lake, showing its depth at various points. They plan to row their boat all around the lake and measure the depth at different locations. What other information besides depth should they record at each location in order to have enough data for constructing the map?

    The tempemture at the surface of the water at each location The position of each depth measurement relative to fixed points on the shore

    The time of day the depth was measured at each location

    The relative humidity at each location

    The accumulated salts in seawater make the seawater much more dense than fresh water

  • 3. Multiple Choice
    30 seconds
    1 pt

    One of the characteristics of salt water is that it has

    higher levels Of dissolved oxygen than fresh water

    a lower freezing point than fresh water

    decrease buoyance for swimmers

    ninety elements that are easily extracted from seawater

  • Answer choices
    Tags
    Answer choices
    Tags

    Explore all questions with a free account

    Already have an account?