Standards Icon Benchmark #:SC.912.L.18.12

  • General Information
    • Benchmark Number: SC.912.L.18.12
      Benchmark Description: Discuss the special properties of water that contribute to Earth's suitability as an environment for life: cohesive behavior, ability to moderate temperature, expansion upon freezing, and versatility as a solvent.

      Subject Area: NGSSS: Science
      Grade Level: 912
      Body of Knowledge: Life Science
      Standard: Matter and Energy Transformations -

      A. All living things are composed of four basic categories of macromolecules and share the same basic needs for life.

      B. Living organisms acquire the energy they need for life processes through various metabolic pathways (primarily photosynthesis and cellular respiration).

      C. Chemical reactions in living things follow basic rules of chemistry and are usually regulated by enzymes.

      D. The unique chemical properties of carbon and water make life on Earth possible.
      Date Adopted or Revised: 02/08
      Date of Last Rating: 05/08
      Cognitive Complexity: Moderate   -  What does this mean?
      Status: State Board Approved
      Assessed? Assessed

  • Test Item Specifications
    • Reporting Category: Molecular and Cellular Biology
      Clarification:

      Students will explain the properties of water at a conceptual level.

      Students will explain how the properties make water essential for life on Earth.
      Content Limits:

      Items referring to the properties of water are limited to hydrogen bonding, polarity, cohesive behavior, ability to moderate temperature, expansion upon freezing, and versatility as a solvent.

      Items may address adhesion but will not assess adhesion.
      Stimulus Attributes: Scenarios must have a biological context.
      Response Attributes: None specified
      Prior Knowledge: Items may require the student to apply scientific knowledge described in the NGSSS from lower grades. This benchmark requires prerequisite knowledge of SC.6.E.7.4 and SC.8.P.8.5.

  • SAMPLE TEST ITEMS (1)
    • Test Item # Question Difficulty Type
      Sample Item 1: Water is essential for life. Its special properties make water the single most important molecule in...   ...read more NA MC : Multiple Choice

  • Related Courses

  • RELATED Access Points (3)
    • Independent
      » SC.912.L.18.In.g: Identify that special properties of water, such as the ability to moderate temperature and dissolve substances, help to sustain living things on Earth.
      Supported
      » SC.912.L.18.Su.f: Identify the important role of water in sustaining life of plants and animals.
      Participatory
      » SC.912.L.18.Pa.e: Recognize that plants and animals use water to live.


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