making carbon dioxside

Our aim was that the flame woild go out when we pored carbon dioxside on it.In this exsperament we put out a fire with carbon dioxside so we got and candle and lit it up with a litter and then we put base in a 100ml beaker and then put some acid in the beaker with base and the base would fuzz up then we got a flint and lit it on fire and then put it above the carbon dioxside then when we did that we picked up the beaker slowley and and tiped the carbon dioxside in the cancel that was lit and it went out becouse of the carbon dioxside carbon dioxside/co2 is the stuff we breath out and it goes in the trees and it comes out with oxygen are group was Caleb and logan