Examlex
Earth's atmosphere is divided vertically into four layers on the basis of temperature. What are the layers in order from closest to Earth to farthest, and how do they differ?
Testable Prediction
A statement forecasting a specific outcome that can be verified through experimentation or observation, fundamental in the scientific method.
Hypothesis
A proposed explanation for a phenomenon, made as a starting point for further investigation.
Empiricism
The theory that knowledge comes primarily from sensory experience and that scientific methods should rely on observation and experimentation.
Variable
Something in the world that can vary and that a researcher can manipulate (change), measure (evaluate), or both.
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