Earth and Space Science
The history of our world in 18 minutes - David Christian
lesson duration 17:41
296,349 views
Want a daily email of lesson plans that span all subjects and age groups?
Learn moreSubjectsAll Subjects
filter bynone
sort bynone
58,403 views
4,071,061 views
152,658 views
176,556 views
165,873 views
151,463 views
199,323 views
201,254 views
776,470 views
540,890 views
297,502 views
166,211 views
258,950 views
42,290 views
4,076,768 views
216,115 views
636,223 views
1,873,623 views
1,842,032 views
134,410 views
164,172 views
1,024,788 views
72,950 views