Filters: Math, Chemistry, and PhysicsMath, Chemistry, and Physics×Division on Earth and Life StudiesDELS×Adolescent Health and Well-Being115×
Sorry! No results were found for "class periods".
There may be more results that don't match your filters. Clear your filters and search again.
Check your spelling or try different search terms.
Search using the book's main subjects or ISBN number.
Get additional search tips by visiting our Search Help page.
Types of Publications
Proceedings published by the National Academies of Sciences, Engineering, and Medicine chronicle the presentations and discussions at a workshop, symposium, or other event convened by the National Academies. The statements and opinions contained in proceedings are those of the participants and are not endorsed by other participants, the planning committee, or the National Academies.
Consensus Study Reports:
Consensus Study Reports published by the National Academies of Sciences, Engineering, and Medicine document the evidence-based consensus on the study’s statement of task by an authoring committee of experts. Reports typically include findings, conclusions, and recommendations based on information gathered by the committee and the committee’s deliberations. Each report has been subjected to a rigorous and independent peer-review process and it represents the position of the National Academies on the statement of task.