Science, The systematic study of the natural world through observation and experimentation to understand how things work., Observing, Using your senses (sight, hearing, touch, smell, taste) or tools to gather information about the world around you., Inferring, Making a logical conclusion or explanation based on observations and prior knowledge; an educated guess about what something means., Predicting, Making a forecast about what will happen in the future based on past experience, observations, or scientific knowledge., Scientific inquiry, The process scientists use to ask questions about the natural world and investigate possible answers through systematic methods., Hypothesis, A possible explanation or testable prediction that can be investigated through experimentation; often written as an "if-then" statement., Controlled experiment, A scientific test in which only one variable is changed at a time while all other conditions are kept the same, allowing you to identify cause-and-effect relationships., Variable, Any factor that can change or be changed in an experiment., Manipulated variable, The one factor that a scientist purposely changes in an experiment; also called the independent variable., Responding variable, The factor that changes as a result of the manipulated variable; what you measure or observe in an experiment; also called the dependent variable., Data, The facts, measurements, and observations collected during an experiment or investigation., Scientific theory, A well-tested explanation for a wide range of observations and experimental results that has been supported by evidence over time., Scientific law, A statement that describes a pattern or relationship in nature that occurs consistently under certain conditions; tells what happens but not why.

Chapter 1.1

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