The second way 's' is pronounced at the end of a word is 'sss'. It's pronounced this way after voiceless consonants 'puh', 'tuh', 'kuh', 'ff' and 'th'.
Such work, Kuh adds, also " helps students see firsthand the practical value of their classroom learning by applying it in real-life settings—which, additionally, often helps to clarify their career aspirations" .