Mentos and Condiments

My sweet little Maggie is 9 and in 4th grade.  I don't really stand over Maggie's shoulder when she is on her computer.  She sits in her room with her door open and watches YouTube videos on farts, music videos (she knows whose videos she can't watch) funny home videos of kids and animals, National Geographic videos on animals, she loves animals, bugs, rodents, basically all of God's creatures.  She loves science too.  So we were all getting ready for bed last night and I was on my way to hang up a towel and thank goodness I had that towel with me because she was so excited to tell me about the experiment with a 2 liter soda bottle, Mentos and "condiments"!  She said you take the mentos and put them in a coke bottle, then put a "condiment' on top and it will make the "conditment" explode.  I was laughing. my. ass. off!  Of course, I had the towel in front of my face and she couldn't see me smiling/laughing. She thought it was so cool and I was laughing so hard I couldn't even tell Mike!  Bless her little innocent heart!  I didn't mention that particular "conditment" issue to her because she wouldn't understand and that would lead to the mechanics of sex talk, which she's not ready for, so I just told her not to watch anything without checking with me first or I would block her.  She just said OK!