Rock Basics
What is a natural solid mixture of minerals or particles called?
What is a rock?
What are the two types of melted rock that form igneous rocks?
What are magma and lava?
What process involves layers of sediments being squeezed together?
What is compaction?
What two factors create metamorphic rocks?
What are heat and pressure?
What type of rock is the oldest on Earth?
What are igneous rocks?
What are small fragments that make up rocks called?
What are grains?
What type of igneous rock forms from lava that cools quickly?
What is extrusive igneous rock?
What are the three types of sedimentary rocks?
What are clastic, chemical, and biochemical sedimentary rocks?
What is the term for rocks bending and changing shape without melting?
What is plastic deformation?
What process turns sediment into sedimentary rock?
What are compaction and cementation?
What are two main properties that help classify rocks?
What are texture and composition?
What feature helps identify an intrusive igneous rock?
What are large crystals?
How do chemical sedimentary rocks form?
From minerals crystallizing from water.
What type of metamorphic rock has layers?
What is foliated rock?
What process changes existing rock into metamorphic rock?
What is heat and pressure?
What can a rock’s properties tell us about its history?
Where the rock formed, environmental conditions, and its history.
Why do extrusive igneous rocks sometimes have holes?
Trapped gas bubbles during cooling.
What is an example of a biochemical sedimentary rock?
What is limestone?
What type of metamorphic rock forms from direct contact with magma?
What is non-foliated rock?
What happens to igneous rock to become sediment?
What are Weathering and erosion.
Name three ways rocks can be classified.
What are Size of grains, shape of grains, chemical composition.
What does the word "igneous" mean in Latin?
What is fire?
How do water and air contribute to the formation of sedimentary rocks?
They physically break down rocks and chemically dissolve minerals.
What is an example of a foliated rock?
What is slate?
What is the continuous process of rock changing from one type to another called?
What is the rock cycle?