Product |
Grade Level |
Format |
Price |
|
 |
Ever-Changing Earth for Students: Lightning DVD Shows how lightning forms, illuminates the mythology behind lightning, explains thunderclouds, and observes people tracking lightning.  |
K - 5 | DVD |
$29.95
|
 |
Ever-Changing Earth for Students: Volcanoes DVD Unearths the details of volcanic activity, traces volcano patterns across the continents, tours the active region of Hawaii, and shows how scientists monitor eruptions. |
K - 5 | DVD |
$29.95
|
 |
Science Facts and Fun: How Much Does the Earth Weigh? DVD Weight and mass are defined, and the concept of gravity is introduced. |
K - 5 | DVD |
$49.00
|
