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Across 3. To make a conclusion based on reasoning and observations 7. A standard to compare with the results in an experiment 9. The action or process of examining something carefully with any of the senses or a tool 10. Data that is based on observations of a non-numerical nature 13. To group information into categories 14. To determine the extent, quantity or dimensions 15. Visual aids used by scientists to communicate results of an experiment 16. Evidence gathered through observations (especially during experiments) 17. The variable that depends on other factors, also the variable that will be measured and affected during the experiment

Down 1. A tested and highly reliable scientific explanation of events in the natural world 2. To examine carefully and in detail to identify 3. The variables that the experimenter changes to test their dependent variable 4. An element, feature, or factor that is liable to vary or change 5. A feature of the experiment that does not change 6. A scientific procedure undertaken to make a discovery, test a hypothesis or demonstrate a known fact 8. A statement predicting the result of a controlled scientific experiment 10. Data that consists of numbers or measurements 11. The methodological studying of the natural world through experimentation and verification of facts 12. To repeat a research study, usually with different participants and in different situations, to confirm the results of the original study