inform 2: bunsen burner

Measuring: Bunsen burner

 

Aim: wich flame is strongest?

Hypotesis: the blue flame is stronger than the yellow  materials: chronometer, bunsen burner, beaker, water, tripod, matches amd the gauze.

Method: 1) we closed the air hole 2)then we turned on the bunsen burner 3) placed the tripod + gauze on the bunsen burner 4) put a beaker with 30ml of water 5)heat the water with the air hole of the bunsen burner opened 6) take the time until the water boils 7) change the beaker and heat it with the air hole closed 8) chronometer the time until it boils

 

Air-hole

Time until water boils/m

Open

2:45

Close

3:10

I

 

 

Result: the roari ng flame is thestrongest

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