To Keep an Object Cool While Exposed to Direct Sunlight

question 50

Multiple Choice

To keep an object cool while exposed to direct sunlight, ____.

• A)put it inside a brown paper bag
• B)wrap it in black paper
• C)wrap it in plastic wrap
• D)wrap it in aluminum foil with the shiny side facing outward
• E)put it inside a clear container

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Definitions:

Osmolarity

The number of osmoles of solute per liter of solution. See osmole.

Osmoles

Osmoles measure the amount of solute that contributes to the osmotic pressure of a solution, reflecting the concentration of particles that can move freely across a semipermeable membrane.

Solution

A homogeneous mixture composed of two or more substances, where one substance (the solute) is dissolved in another (the solvent).

Electrolytes

Minerals in the body that have an electric charge, crucial for hydrating the body, regulating nerve and muscle function, balancing blood acidity and pressure.