5
(N/A)
4
3
2
Summarize the origin, location and nature of the Tar Sands.
Description of the extraction of the tar sands from the lithosphere.
Description of how technology is used to separate the oil from and 'sand'.
Effect of tar sands mining on the BIOSPHERE
Effect of tar sands mining on the ATMOSPHERE
Effect of tar sands on the HYDROSPHERE.
Effective Use of Research time i the lab. Use of many sources of information.
Brief introduction and conclusion. Sensible sequencing. spelling and grammar.
Images accompany most explanations. Images are appropriate and interesting.