Session 2&3 I used two google lessons
understanding search engines presentation
Google landing ; How search works on the Web presentation
https://sites.google.com/site/gwebsearcheducation/lessonplans


Session 4:
I used this video The Lion Cage of Charlie Chaplin in session4.
Sounds from freesound.org
https://www.freesound.org/search/?q=178174__robinhood76__04088-big-cartoon-tremolo-jump
https://www.freesound.org/search/?q=125093__dr-eel__door-squeak-20-02-11-19-1
https://www.freesound.org/search/?q=155523__planet-leader__doorslam2
https://www.freesound.org/search/?q=180977__suprasummun__barking-dog
https://www.freesound.org/search/?q=194993__soundmary__splashing-footsteps
https://www.freesound.org/search/?q=238224__n1ghthawk__wood-cracktest
Soundbible: Roaring Lion-SoundBible.com-527774719
Soundbible: Walking On Gravel-SoundBible.com-2023303198