Here is a link to a Youtube SONG to try and memorize and understand Classical Conditioning.

https://www.youtube.com/watch?v=94lWxsfKErM

This link takes you to a Youtube video explaining several examples of classical conditioning to get a better understanding.

https://www.youtube.com/watch?v=y5aE5-skiaM

Here is a short and sweet Youtube video explaining Pavlov's experiment.

https://www.youtube.com/watch?v=ua1nW5n8src

After learning more about Classical Conditioning here is a TED Talk explaining the difference between Classical Conditioning and Operant Conditioning!

https://www.ted.com/talks/peggy_andover_the_difference_between_classical_and_operant_conditioning/transcript?language=en#t-19430

To get a better understanding of classical conditioning: Neutral, conditioned, and unconditioned stimuli and responses here is a video! https://www.khanacademy.org/test-prep/mcat/behavior/learning-slug/v/classical-conditioning-neutral-conditioned-and-unconditioned-stimuli-and-responses