Primary School (K-2)
Science assumes natural events happen today as they happened in the past.
Many events are repeated.
Elementary School (3-5)
Science assumes consistent patterns in natural systems.
Basic laws of nature are the same everywhere in the universe.
Middle School (6-8)
Science assumes that objects and events in natural systems occur in consistent patterns that are understandable through measurement and observation.
Science carefully considers and evaluates anomalies in data and evidence.
High School (9-12)
Scientific knowledge is based on the assumption that natural laws operate today as they did in the past and they will continue to do so in the future.
Science assumes the universe is a vast single system in which basic laws are consistent.