In this investigation, the following explanations apply:
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The food coloring moves faster in hot water. - This is true because higher temperatures provide more kinetic energy to the molecules, resulting in faster movement and diffusion of the food coloring in hot water (50 degrees Celsius).
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The food coloring is less dense than the cold water. - This may be true depending on the specific food coloring used. Typically, food coloring is mixed with water and does not drastically differ in density from water, but a drop of food coloring can disperse quickly in less dense water (when considering the temperature difference).
The other statements do not accurately describe the situation:
- The food coloring moves slower in hot water. - Incorrect, as food coloring moves faster in hot water due to increased kinetic energy.
- The food coloring is denser than the cold water. - This is typically not accurate; food coloring is usually similar in density to water.
- The food coloring separates into two different colors. - This does not generally occur unless the food coloring is specifically designed to separate; it usually stays mixed.
- The food coloring increases the temperature of the water. - This is not true; adding a drop of food coloring would not significantly change the overall temperature of the water.
In summary, the applicable observations are:
- The food coloring moves faster in hot water.
- The food coloring is less dense than the cold water (possibly, but context-dependent).
1 answer