Minerals & Rocks
This is the hardest known mineral.
What is a diamond?
The type of boundary formed when two plates slide past each other.
What is a transform boundary?
Thinnest layer, and the only layer that can be observed.
What is the crust?
The strength of an earthquake
What is magnitude?
The energy source for the water cycle
What is the sun?
This mineral was so valuable it was given to Roman soldiers as payment.
What is salt?
The type of boundary formed when two plates pull away from each other
What is a divergent boundary?
This is the solid center of the earth.
What is the inner core?
The largest active volcano today
What is Mauna Loa?
The stage where vapor collects and turns into a liquid
What is condensation?
This type of rock is formed from hardened and cooled magma.
What is igneous?
The type of boundary formed when two plates push into each other
What is a convergent boundary?
This is the liquid layer, composed of molten metals.
What is the outer core?
Belt of volcanoes that rims the Pacific Ocean
What is the Ring of Fire?
The percentage of earth's water that is saltwater, found in the oceans.
What is 97%
This type of rock transformed into a new rock under heat and pressure.
What is metamorphic rock?
A mountain chain formed on the ocean floor where plates pull apart.
What is an oceanic ridge?
This layer, the largest, is made of very hot rock with the property of plasticity.
What is the mantle?
Breaks or cracks in earth's lithosphere
What are faults?
The property in which a water molecule is attracted to another molecule
What is cohesion?
The process by which one rock type changes into another.
What is the rock cycle?
The process of one tectonic plate being pushed under another
What is subduction?
The circular movement of heated materials to a cooler area and cooled materials to a warmer area.
What are convection currents?
Large circular depressions formed at the top of volcanoes
What is a caldera?
The relationship between the input and output of all water on earth
What is a water budget?