Question Description
In this lab you will determine the percentage of our atmosphere that is oxygen. You will need the following materials:
- A candle (birthday candle, emergency candle, etc.)
- A glass jar or drinking glass (the sides have to be straight/parallel, or at least as much as is possible)
- A shallow pan or plate (you will need to attach the candle, so do not use anything valuable or important)
- Tape (to mark the water level)
- A ruler (to measure the water level)