Earth and Planetary Sciences

Use “Quotation marks” for phrases/titles:

• "earth science" "greenhouse effect”

Use AND between different concepts (AND will narrow your search):

• venus AND atmosphere

Use OR between similar concepts/synonyms (OR will broaden your search):

• ocean OR sea

Use Asterisk(*) for truncation:

• atmospher*= atmospheric, atmosphere

Use Parentheses () to combine different and similar concepts:

• volcan* AND (geology OR geochemistry)