This can make learning to spell the words quite tricky! Watch this short video to see some more examples of silent letter words. Vowel sounds are made by the letters 'a', 'e', 'i', 'o' and 'u'.

Asian elephants once roamed across most of Asia, now they’re restricted to just 15% of their original range, in a number of fragmented and isolated populations around south and south-east Asia. Today, ...