Juan created a chart to help him study for a test. Which headings best complete the chart?

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Multiple Choice

Juan created a chart to help him study for a test. Which headings best complete the chart?

Explanation:
Understanding how materials interact with light is the key idea here. When you study transparency, it’s most effective to lay out two opposite categories on a chart: objects that block light (opaque) and objects that let light pass through (transparent). Placing opaque on the X axis and transparent on the Y axis creates a clear, opposing pair that makes it easy to categorize examples—metal, wood, or stone on the opaque side and clear glass or clean water on the transparent side. The other headings would mix in ideas that aren’t about how objects transmit light, which isn’t the right framework for this kind of comparison. This setup emphasizes the contrast between blocking and letting light through, which is exactly what you want to study.

Understanding how materials interact with light is the key idea here. When you study transparency, it’s most effective to lay out two opposite categories on a chart: objects that block light (opaque) and objects that let light pass through (transparent). Placing opaque on the X axis and transparent on the Y axis creates a clear, opposing pair that makes it easy to categorize examples—metal, wood, or stone on the opaque side and clear glass or clean water on the transparent side. The other headings would mix in ideas that aren’t about how objects transmit light, which isn’t the right framework for this kind of comparison. This setup emphasizes the contrast between blocking and letting light through, which is exactly what you want to study.

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