Sedimentary Rocks
How long does it take for a sedimentary rock to form?
Thousands to millions of years.
True or false
A Igneous rock can form in a matter of minutes
True: The shortest time it can take for an Igneous rock to form is a couple of minutes but can take much longer.
How long does it take for a metamorphic rock to form?
Millions of years.
What person studys rocks ?
Geoligists
How does a sedimentary rock form?
A sedimentary rock forms when sediment are compacted and cemented together.
How does an igneous rock form?
From molten or lava melting a rock then solidifying.
How does a Metamorphic rock form?
From being heated not melted and under extreme pressure.
What is the most common rock type found?
Sedimentary
What is sediment made of?
Pre-existing rock or the remains of a once-living organism.
What are the 2 steps to become an igneous rock
Melting and cooling
What does a medimophic rock look like?
It has bands of dark and/or light colors.
what is the most common mineral found in rocks?
Quartz
What are the five steps for a rock to become a sedimentary rock ?
- Weathering
- Erosion
- Deposition
- Compaction
- Cementaion
What is lava made up of?
Crystals, Volcanic Glass, Volcanic Gas.
Name 4 types of medimorphic rocks.
- gneiss
- quartzite
- marble
- schist
- soapstone
-phyllite