Please only do this under parental supervision.

Follow these steps:

1. Get a blank piece of paper.
2. Tear this piece of paper in half.
3. Discard one half.
4. Take the remaining half and tear it in half again.
5. Discard one half
6. Take the remaining half and tear it in half again.
7. Discard one half.
8. Take the remaining half and tear it in half again.
9. Got the idea?

Keep going at your own pace until you get the piece of paper down to one single atom.

Repeat one more time and you should get a big explosion!