1. Mummy, where do new words come from?

2. Acronyms

4. Word made from all or most of the letters in a name or phrase

5. Radar

6. radio detecting and ranging apparatus

7. Scuba

8. Self-contained underwater breathing apparatus

9. What are some more acronyms?

10. NASA

11. Radar

12. Scuba

13. How are these ones different?

17. Why are abbreviations such as “HMSO” or “GPS” not acronyms?

18. Because they are not said as words

19. Is this an acronym or an initialism?

20. BRB NASA CSIRO RAM DSL DVD TV

21. Image credits http://www.flickr.com/photos/leszekleszczynski/4815256697/ http://www.flickr.com/photos/bcmom/63762918/ http://www.flickr.com/photos/spcbrass/4639124177/ http://www.flickr.com/photos/joc67/774419510/ http://www.flickr.com/photos/travelinlibrarian/3092069651/ http://www.flickr.com/photos/blankdots/3693697370/ http://www.flickr.com/photos/breakdecks/3039873147/ http://www.flickr.com/photos/laughingsquid/4105038295/ http://www.flickr.com/photos/42682395@N04/4981153823/ http://www.flickr.com/photos/miss_pink_26/3820486990/