Elements and Essence

Across

2. Hard Italian cheese often grated on pasta

4. Thick muddy residue from waste

6. Study of the structure of organisms

8. Happily without a care or worry

10. Part of a flowers colorful display

12. Prime cut of beef steak

13. Balanced arrangement of parts or shapes

Down

1. Hand out items to several people

3. Vapor produced by boiling water

5. Category rank in biological classification

7. Heavy blow or dull sound

9. Rare metal with a shiny appearance

11. State of matter that flows easily