Energy Station 4a: Candle

This is Energy Station 4a: Candle. These videos are part of the introduction to energy sources.

The videos below will require Adobe Flash Player 9. If you cannot see the videos below, click here to go download Adobe Flash 9 Player. Please wait while these videos download. It may take a while for all three videos to download from our server.

A candle has two parts, a wick and wax. The wick is a woven strip of cotton. The wax surrounds and
holds the wick.

Watch what happens when just a wick burns. This is in real time.

Download a Quicktime version of the Wick Only video.

Now watch the two time-lapse videos of a candle burning. The candle took 2 1/2 hours to burn down. One time-lapse video is 20 seconds and the other is 1 minute 15 seconds. Observe each one and then answer the questions below about the burning candle. (Science notebook sheet no. 2)

  
Download a Quicktime video of the Candle Burning 20 Seconds (Time Lapse).
Download a Quicktime video of the Candle Burning 75 Seconds (Time Lapse).

1. What action did you observe?
2. What kind of energy caused that action?
3. What was the energy source?
4. Where was the energy stored?
5. What was the stored energy converted into?
6. The energy in ________ changed into ________ energy.

Observe the candle before burning.	Observe the candle after burning.