Signing Science

Signing Math & Science Dictionaries

Photograph of a girl using a Signing Science dictionary
Photograph of two boys using a Signing Science dictionary

Developed by TERC and Vcom3D, the illustrated, interactive 3D standards-based signing dictionaries are intended for students who are deaf and hard of hearing. They use SigningAvatar® assistive technology and are for classroom use. Video versions are available free from this page by clicking the links below or the links at the bottom of this page. They are also available from iTunes as iPhone Apps.

  • Signing Science Dictionary (SSD)—a dictionary of science terms and definitions for grades 4-8. This work was funded in part by grants from NEC Foundation of America, the National Science Foundation (HRD-0533057), and the Department of Education (H327A060026).
  • Signing Science Picture Dictionary (SSP)—a dictionary of science terms and definitions for grades K-4. This work was funded in part by grants from the Carl and Ruth Shapiro Family Foundation, Disability Inclusion Initiative and the Department of Education (H327A080040).
  • Signing Math Dictionary (SMD)—a dictionary of mathematics terms for students in the elementary and middle grades. This work was funded in part by a grant from the National Science Foundation (HRD-0833969).
  • Signing Math Picture Dictionary (SMP)—a dictionary of math terms and definitions for grades K-4. This work was funded in part by a grant from the Department of Education (H327A100074).
  • Signing Earth Science Dictionary (SESD)—a dictionary of Earth science terms for grades 9-12. This work was funded in part by a grant from the National Science Foundation (GEO-0913675).
  • Signing Life Science Dictionary (SLSD) and Signing Physical Science Dictionary (SPSD)—a dictionary of life science terms and a dictionary of physical science terms for grades 9-12 . This work was funded in part by a grant from the National Science Foundation (DRL-1019542).