CONCLUSION
CONGRATULATIONS !!
NOW YOU KNOW A LOT ABOUT VOLCANOES !!
Not only you have learnt what a volcano is and how it erupts, but also you have built your own volcano and watch it erupt. I am sure you will never forget it and you will know how devastating they can be.
And now that you know so much about volcanoes, here are some questions whose answer you may would like to know. For example:
1. What things can we produce with a volcano´s activity?
2. Can we know when a volcano is going to erupt?
3. Why are volcanoes so good for the environment?
4. Do you think we could ever extinguish a volcano?
If you want to learn more about volcanoes, do not miss this webpage. Take a minute to browse through it and you will find a lot of interesting things, such as a list of volcanos around the world, buiding volcanoes moldes, even volcano games for kids.
http://volcano.oregonstate.edu/
For curiosity, you can also take a look at this Art Gallery of some nice pictures of volcanoes around the world:
https://www.flickr.com/photos/volcanoworld/favorites/