A glossary for science can be found at VisionLearning.com, HarcourtSchool.com and Education.Jlab.org. VisionLearning.com and Education.Jlab.org feature a general science glossary, while HarcourtSchool.com tailors its glossary to students from first grade to sixth grade.
VisionLearning.com allows users to find the definition of science terms using a search tool or by looking up the term by discipline or alphabet. The site also lists a daily "term of the day."
HarcourtSchool.com features a multimedia science glossary. The glossary and site are run by HMH School Publishers.
Education.jlab.org additionally features teacher resources, educational games and puzzles and a student zone. The site is the educational wing of the Thomas Jefferson National Accelerator Facility.