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SC.912.L.18.12

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: Science
Grade: 912
Body of Knowledge: Life Science
Idea: Level 2: Basic Application of Skills & Concepts
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
Status: State Board Approved
Assessed: Yes

Remarks/Examples

Annually assessed on Biology EOC.

TEST ITEM SPECIFICATIONS

    N/A
  • 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 #: Sample Item 1
  • Question: Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enables it to move from the roots to the leaves of plants?
  • Difficulty: N/A
  • Type: MC: Multiple Choice