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Properties of Water- Density quiz Flashcards

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Properties of Water- Density quiz
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  • Why is solid ice less dense than liquid water?


    Solid ice is less dense than liquid water because the hydrogen bonds in ice form a crystalline structure that spaces the molecules further apart.

  • How does the density of ice benefit aquatic life during winter?


    The lower density of ice allows it to float on water, insulating the liquid water below and preventing it from freezing solid, which protects aquatic life.

  • What is an emergent property of water related to its density?


    An emergent property of water is that its solid phase (ice) is less dense than its liquid phase.

  • How does the density of ice affect the freezing of large bodies of water?


    The density of ice causes it to float, forming an insulating layer that prevents the entire body of water from freezing solid.

  • Why is the characteristic of ice being less dense than water important for life on Earth?


    This characteristic is important because it ensures that aquatic ecosystems remain habitable during cold periods by preventing the water below the ice from freezing.

  • What would happen to aquatic life if ice were denser than liquid water?


    If ice were denser than liquid water, it would sink, potentially causing entire bodies of water to freeze solid and endangering aquatic life.

  • What role does hydrogen bonding play in the density of ice?


    Hydrogen bonding in ice creates a crystalline structure that spaces molecules further apart, making ice less dense than liquid water.

  • How does the density of ice relate to the concept of abiotic factors in an ecosystem?


    The density of ice is an abiotic factor that influences the thermal properties of aquatic ecosystems, affecting the survival of organisms.

  • What is the significance of the insulating effect of ice on water bodies?


    The insulating effect of ice prevents the water below from freezing, maintaining a stable environment for aquatic life.

  • How does the density of ice contribute to the phenomenon of thermal insulation in aquatic environments?


    The lower density of ice allows it to float and form an insulating layer, which helps maintain the temperature of the water below.

  • What is the impact of ice's density on the thermal properties of lakes and ponds?


    Ice's lower density allows it to float, creating an insulating layer that helps regulate the temperature of the water below, preventing it from freezing solid.

  • How does the density of ice affect the survival of plant life in aquatic environments?


    The density of ice allows it to float and insulate the water below, ensuring that plant life does not freeze and can continue to survive.

  • How does the density of ice influence the abiotic factors in a freshwater ecosystem?


    The density of ice influences abiotic factors by creating an insulating layer that affects the temperature and physical conditions of the water below.

  • Why is the characteristic of ice being less dense than water not applicable to saltwater?


    Saltwater still freezes, but at a lower temperature than freshwater, and the presence of salt affects the density and freezing properties of the water.