sentence: Scientists use thermodynamics  for many reasons.
sentences_after: One is to make better engines and refrigerators. Another is to understand the properties of everyday materials so that they can make them stronger in the future. Thermodynamics is also used in chemistry to explain which reactions will work and which will not. Thermodynamics is powerful because simple models for atoms work well in explaining the properties of large systems like bricks.
concept_name: scientist
headings: Thermodynamics Uses of thermodynamics