Science Buddies: "Ask an Expert"

Posted: **Mon Apr 14, 2014 9:24 am**

that below this note is the link to my project. i have a question on it. is this just to figure out if black is just black? and if so why do i need three different kinds of black writing utensils. and do i have to use the rubbing alcohol? if so is there a substitute? or can i just use warm water?

https://www.sciencebuddies.org/science- ... p008.shtml

help!!!

Posted: **Mon Apr 14, 2014 9:32 am**

anyone?

Science Buddies: "Ask an Expert"

my project: is black really black?

my project: is black really black?

Re: my project: is black really black?