TY  - DATA
ED  - Discovery Channel School
ED  - Discovery Communications Inc.
TI  - Light
SN  - 9830008622
PY  - 2001///
CY  - [Bethesda, md.]
PB  - Discovery Communications Inc.
KW  - Light
KW  - Juvenile literature
N1  - Teacher's guide in PDF and Microsoft Word format
N2  - Explores the nature and properties of light, discussing such topics as refraction, the electromagnetic spectrum, optical illusions, and photons. Includes related activities
ER  -