National Geographic Society
Every stone has a story - Washington, DC National Geographic Society 1995
1 videocassette (VHS) (20 minutes) : sd., col. + teacher's guide. Intended audience: upper elementary through junior high. Issued also as Beta and U-Matic videocassette. SUMMARY: Examines rocks both in nature and in a laboratory, and joins scientist and students as they conduct experiments to determine the content and structure of rocks and minerals.
0-7922-2925-8
Every stone has a story - Washington, DC National Geographic Society 1995
1 videocassette (VHS) (20 minutes) : sd., col. + teacher's guide. Intended audience: upper elementary through junior high. Issued also as Beta and U-Matic videocassette. SUMMARY: Examines rocks both in nature and in a laboratory, and joins scientist and students as they conduct experiments to determine the content and structure of rocks and minerals.
0-7922-2925-8