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Across 1. A statement that uses evidence to support a claim about how or why something in nature happens. 3. A proposed, testable explanation for something that happens in nature. 5. A scientific explanation that explains a wide range of phenomena and is supported by a great deal of evidence. 6. The process of using evidence to support or refute claims. 8. Data that is analyzed and interpreted to support or refute a claim. 9. Statement or mathematical equation that describes a pattern observed in the natural world.

Down 1. A procedure in which variables are manipulated and quantitative or qualitative data are collected to serve as the basis for evidence needed answer a scientific question. 2. The process of collecting data through the senses or measurement tools. 4. A collection of measurements or observations. 7. A representation of an idea or process.