Writing a Laboratory Report Read the experi- ment. After you read the experiment write a laboratory report explaining why the egg slid into the bottle. Then, write the experiment as a labora- tory report. Be sure to include the Problem Materials, Procedure, Observations, and Conclu sions. Take the shell off a hard-boiled egg. Place a small piece of paper in the top of a juice bottle Light the paper. Push the paper into the bottle. The burning paper uses up some of the oxygen in the bottle. Place the egg small end down in the top of the bottle. In a few seconds, the egg slides into the bottle.