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science
Question | Answer |
---|---|
chemistry | the study of matter and its changes |
physics | the study of forces and energy and how they affect matter |
hypothesis | a possible answer to a scientific question or explanation for a set of observations |
inferring | making an inference, are based on reasoning from what you already know |
qualitative observation | to describe the properties of something without using numbers (color, shape, smell, taste, texture, opinion) |
quantitative observation | capable of being measured or expressed as a numerical amount |
scientific inquiry | refers to the different ways scientists study the natural world |
variable | factors that can change in an experiment |
independent (manipulated) variable | the variable that is changed |
dependent (responding) variable | the variable that is expected to change because of the manipulated variable |
controlled experiment | an investigation in which all variables except one remain the same is called controlled experiment |
scientific law | is a statement that describes what scientists expect to happen every time under a particular set of conditions |
scientific theory | a well tested explanation for a wide range of observations or experimental results |