This printable crossword puzzle on the topic of Rocks & Minerals has 14 clues. Answers range from 7 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
when exposure to oxygen causes iron minerals to rust
this precipitation dissolves concrete, kills fish an plants
physical grinding of rock fragments
How much moisture there is. A factor in determining how fast a rock will weather.
The amount of the rock exposed to the environment
Plants grow in cracks in rock, the roots break the rocks apart
A constant process of breaking down objects on the Earths Surface
Sulfur oxides + rain = acid rain. It dissolves rocks and cement
Breaks rocks into smaller pieces but does not change the rock
What a rock is made of. One of 3 factors that determines how fast a rock will weather.
Water leaks into cracks in a rock, freezes/expands, break rock apart.
Water destroys minerals, making new rocks
Carbon dioxide + water = Carbonic acid. It dissolves rocks in the soil
Changing the rocks chemical composition or chemical make up