All Elementary resources Breadcrumb NSTA Levels Elementary All Elementary resources Keywords Topics General ScienceTeaching StrategiesSTEMEarth & Space ScienceLife SciencePhysical ScienceInstructional MaterialsBiologyNGSSEngineeringEnvironmental ScienceAssessmentInterdisciplinaryScience and Engineering PracticesTeacher PreparationTechnologyLesson PlansCurriculumInquiryLiteracyPhenomenaThree-Dimensional LearningChemistryClimate ChangeProfessional Learning oldPhysicsEquityCrosscutting ConceptsAstronomyInclusionDisciplinary Core IdeasNewsPreservice Science EducationResearch5ECareersMathematicsSafetyProfessional LearningComputer ScienceDistance LearningLabsNew Science TeachersCitizen ScienceAerospaceEvolutionAdvocacyMultilingual LearnersLearning ProgressionMulticulturalPerformance ExpectationsAdministrationDisabilitiesPolicySocial JusticeSensemakingEnglish Language LearnersLeadership Journal Series Connected Science LearningJournal of College Science TeachingScience and ChildrenScience ScopeThe Science Teacher Content Type Acquired BookBlog PostNSTA Press BookCase StudyClass PackCollectioneBookJournal ArticleLesson PlanMember Web SeminarNSTA KidsPosition StatementProfessional Learning UnitReports ArticleTeacher TipWeb SeminarWeb Seminar Series Collection Discrepant engage, explore, explain, elaborate, evaluate... Elementary Middle School Collection discrepant events Elementary Middle School Collection Discrepant Events Elementary Collection Discrepant Event Elementary Middle School Collection Discrepant Events Elementary Middle School Collection Discrepant Events Elementary Middle School Collection Discrepant events Elementary Middle School Collection Discrepant Events Elementary Pagination First page « First Previous page ‹ Previous … Page 505 Page 506 Page 507 Page 508 Current page 509 Page 510 Page 511 Page 512 Page 513 … Next page Next › Last page Last »