RANSOM.SCIENCE.NATURE OF SCIENCE EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+

RANSOM.SCIENCE.NATURE OF SCIENCE EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+ Theory A well-supported explanation about the natural world. Model A visual, mathematical, or three-dimensional representation of something in the natural world, often smaller than the original. Law Describes a basic principle of nature that always occurs under certain conditions. Experiment An organized procedure to study something under controlled conditions. Observation The process of obtaining information by using one or more of the five senses. Hypothesis A possible explanation for a set of observations or answer to a scientific question; must be testable. Independent Variable (IV) the factor the researcher manipulates or changes in a controlled experiment (the cause) Data Information gathered by observation or experimentation that can be used to calculate or reason. Inference A logical conclusion based on observations. Qualitative Descriptive data using qualities, not numbers. Quantitative Data that is based on numbers. Prediction A statement made about the future based on evidence. Evaluation Reaching a conclusion based on observations. Classification The process of grouping items that are alike. Investigation Making an in-depth study of a subject. Dependent Variable (DV) The variable that is measured by the researcher. Any result/change on the DV should be caused by the change in the IV. controlled variable (constant) things that do not change and are constant in the experiment circle graph (pie chart)