MPCS8thScienceCh4
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- How can an igneous rock be changed to a sedimentary rock?
- as it is broken into fragments by weathering and erosion, those fragments can later become compact and be cemented together
- rock cycle
- a model created by scientists showing how rocks slowly change through time
- What are some rock-forming minerals?
- quartz, feldspar, mica, or calcite
- How do sedimentary rocks change to metamorphic rocks?
- by heat and pressure
- rock
- a mixture of minerals such as volcanic glass, organic matter, or other natural materials
- May any rock change into any of the three major rock types?
- yes - they can transform into another rock
- What is most rock used for?
- building stone
- How can a metamorphic rock change to an igneous rock?
- by melting and later cooling
- What is an example of a rock?
- granite because it is a mixture of feldspar, mica, quartz, and other minerals
- What can carry away rock particles?
- wind, water, or ice
- What is the principle of conservation?
- though changes take place, matter is never destroyed or created
- What are the three types of rocks?
- igneous, metamorphis, and sedimentary
- What may cause rocks to change into small rocks or mineral grains?
- weathering