This printable crossword puzzle on the topic of Rocks & Minerals has 15 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Decayed organic material
Loose weathered material on Earth's surface
Largest soil particle
Smallest soil particle
Measure of soils ability to support plant growth
Best soil for growing plants
Measures acidity of soil
Soil forms from
Cause of rock breaking down
Different layers of soil are called
C horizon forms
A horizon is made of
Humus forms from this process
These help mix air and other materials in soil
Soil is considered a