Natural, non-living solid crystals that make up rocks.
What is a mineral?
What makes up sedimentary rock.
What are layers?
Igneous rock is made of this.
What is melted rock that cools?
Turns sedimentary into metamorphic rock.
What is heat and pressure?
Rocks made by weight pressing down on layers of sticky clay minerals in sediment.
What is sedimentary rock?
The way a mineral's surface reflects light. It may be dull, glossy, metallic, etc.
What is luster?
Formed by bones and leaves compressed into sedimentary rocks.
What are fossils?
An example of igneous rock that cooled very quickly.
What is obsidian?
Rocks that can form metamorphic rocks.
What are sedimentary, igneous, and other metamorphic rocks?
A natural process that breaks rocks into smaller pieces.
What is weathering?
The eroded material that settles on land or on the bottom of lakes, rivers, and oceans.
What is sediment?
Small bits of rock, plant and animal remains, and live animals.
What is soil?
All examples of igneous rock.
What are granite, pegamite, and gabbro?
The definition of METAMORPHOSIS.
What is "change of form".
Rocks that have changed a a result of heat and pressure.
What are metamorphic rocks?
A scale ranking minerals by hardness, 1-10, 1 being softest.
What is Mohs Scale of hardness?
A mineral that helps form lots of rocks, commonly called fools gold.
What is mica?
Fire in Latin.
What is igneous?
Rocks that have already been changed can go through more changes. (T or F)
What is true?
The recycling of old rock into new rock.
What is the rock cycle?
The color a mineral leaves behind when it is scratched on a special plate.
What is streak?
The type of rock you get when sedimentary rock melts and cools.
What is igneous rock?
About 40,000 pillars of basalt columns near the coast in Northern Ireland.
What is the Giant's Causeway?
Metamorphic rocks made from granite under high temperature and pressure.
What is gneiss?
More than one or more minerals.
What are rocks made of?