A Stalk of Celery Is Placed in a Solution of Blue

question 35

Multiple Choice

A stalk of celery is placed in a solution of blue colored dye.After one hour, the leaves have blue fluid in their veins.Which property of water is being demonstrated?

• A) adhesion and cohesion
• B) evaporation and cooling
• C) lower density as a solid than as a liquid
• D) high specific heat
• E) surface tension

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Definitions:

Measured Variable

A variable in research that is quantified or measured directly by the researcher, as opposed to being manipulated or controlled.

Independent Variable

In a study, the factor that is intentionally altered to determine its impact on the outcome variable.

Dependent Variable

In an experimental setup, the variable being tested and measured, expected to change as a result of manipulations to the independent variable.

Variability

The degree of spread or dispersion within a set of data points or values, reflecting how much the data points differ from each other.