Imagine that there is a rock. It rains, and water seeps into this rock. What is something that could happen as more water seeps in and natural processes take place over time? What is this process called?
Question 5
5.
How can wind play a role in the rock cycle?
Question 6
6.
Match each scenario to the type of rock it is describing.
This rock was formed in La Fortuna, Costa Rica after the explosion of the Arenal volcano in 1968. Today, the entire area is covered in structures formed by this rock and it is very ashy.
In 2004, team of paleontologists discovered the 375 million year old fossil of a Tiktaalik, an ancient fish.
Marble comes from limestone and other minerals that have been heavily altered by heat and pressure underground. We now use it to build monuments and countertops!
Obsidian is formed when lava rapidly cools down. It was used by many Native American cultures to craft weapons because of how sharp it is.
Sedimentary rock
Metamorphic rock
Igneous Rock
How could a sedimentary rock become a metamorphic rock?
Metamorphism
Compaction and cementation
Heat and pressure
Melting
All of the above
Sort these choices to show the processes required for:
igneous rock --> sedimentary rock --> metamorphic rock --> magma --> igneous rock