here are some good speech topics: 1. how to become a billionare 2. about your sister(s) or brother(s) 3. any type of food 4. how makeup can be dangerous 5. family 6. top ten scariest roller coaters...
Good topics are ones no one would think of or personal ones. I have done one on the benefits of estrogen on your body (male and female). Try how the memory works, a random health disorder, or a...
Um, i am not sure if Morse code would be a good topic but it all depends on how interesting you make it. I advise you to put in some humor if you do decide to do it on Morse code. If you don't, do it...