Ask an elementary teacher how much science she taught last week, and you will often get an apologetic answer. Twenty minutes on a Friday. Something after the reading block if it ends on time. In many schools, science becomes a real subject in the grade where the state test arrives.
That is not a failure of teachers. It is arithmetic. When reading and math carry the accountability weight, science is what gets cut, and it is cut hardest in the schools under the most pressure. Which means the students who arrive with the least science knowledge from home are the ones most likely to get the least at school.
Over the past decade, the science of reading has changed more than literacy instruction. It changed how educators argue. The conversation moved from competing philosophies to harder questions: What does the research show? What does good instruction look like? Which students are falling behind, and what do we do before the gap widens?
Science instruction never got that treatment. It should.
The cumulative nature of learning science
Scientific knowledge is cumulative in ways that are easy to underestimate. A student cannot make sense of heredity without cells, or chemical reactions wi...