Question

enter the numbers 1 to 5 to put in order the steps for lighting a bunsen burner. use a strike lighter to light the flame. turn on the gas supply to the bunsen burner. clear the area of anything flammable, such as liquids, hair, etc. adjust the air flow to control the size of the flame. close the air supply on the bunsen burner.

Explanation:

First, clear the area (already numbered 1). Then close the air supply (prevents a large initial flame). Next, turn on the gas. Then light the flame. Finally, adjust the air flow.

Answer:

1. Use a strike lighter to light the flame.
2. Turn on the gas supply to the Bunsen burner.
3. Clear the area of anything flammable, such as liquids, hair, etc.
4. Adjust the air flow to control the size of the flame.
5. Close the air supply on the Bunsen burner.