Although it might seem more like biology, the search for life out there begins with physical science. Your second topic option is to write a paper about searching for life in our galaxy. The paper should include:

Scientific arguments from peer-reviewed sources favoring the possibility of life

Counterpoints from those who think it is unlikely based on their own scientific hypotheses

The methods used in this search

What we are looking for

The differences between life and intelligent life

How life might exist in non-Earthlike conditions. Weather Patterns, Temperature Ranges, etc. Like how life can survive in high pressure environments like 500′ below water. Or near sulphur or high radiation.

Use Earth Science terms

Your final paper should meet the following requirements: