Vacation or Conservation (Of Mass): Crash Course Kids #23.1

Name: Vacation or Conservation (Of Mass): Crash Course Kids #23.1
Uploaded: 2026-04-21T14:09:32.075Z
Description: Students learn that matter stays present even when a change makes it look like something disappeared.

Conservation of Mass: Matter Does Not Vanish

Moment from 0:00 to 1:20.