Exactly! Just teach something to motivate pupils, then they will get motivations enough to dig deeper into technical issues if they feel blockchain technology is interesting and want to do something. The old generations are likely hard to absorb new terms like bitcoin, blockchain, ledger, txhash, and so on, but the younger generations likely easier to accept, and absorb those terms.
Giving them motivation, which in turn will change their attitudes, consequently they will change their practice, by learning more about crypto and blockchain.