Math 5th Grade

23 minute video 6 minute video 5 minute video in this lesson I learned about the pipe wrench

6 minute video 3 minute video in this lesson I learned about how to make a pin hole camera

6 minute video 5 and a half minute video in this lesson I learned about development of color photography and digital photography and how digital cameras work.

4 minute video 3 and a half minute video 7 and a half minute video in this lesson I learned about the Kodak Brownie

3 minute video 16 and a half minute video in this lesson I learned about the Tape Measure

26 minute video 1 and a half minute video in this lesson I learned about the Traffic Light

30 minute video 3 and a half minute video 4 and a half minute video in this lesson I learned about train air brakes

4 minute video 5 and a half minute video 4 and a half minute video in this lesson I learned about the development of camera technology and the origin of engineering blueprints

6 minute video 6 minute video 7 minute video in this lesson I learned about the early development of photography

10 minute what Mars really succeeds at is the feeling of being isolated, lost, and hopeless