Learning items
The Feynman Lectures on Physics, Volume I
No chapter association
ConceptAtomic hypothesis
Matter's large-scale behavior can be explained through particles and their interactions.
ConceptEvaporation and cooling
Escaping molecules can remove energy from a liquid.
ConceptExperimental test
A scientific model must answer to observations that can check its predictions.
ConceptLeptons
Elementary particles that do not experience the strong interaction.
ConceptUnity of scientific explanation
Related levels of explanation connect fields without removing their distinctive questions.
VocabularyPhoton
A quantum of the electromagnetic field.