Rocks are composed of two or more _______.
Minerals
A __________ is an inorganic, solid material found in nature.
Mineral
A type of rock that forms when melted rock from inside Earth cools and hardens is called _________.
Igneous rock
The ________ describes how all rocks are subject to constant change.
Rock cycle
What is Ms. Jack's first name?
Taryn
Extrusive and intrusive
Minerals are inorganic. What does 'inorganic' mean?
Not formed by plants or animals
A type of rock that forms when existing rock is heated or squeezed is called ________.
Metamorphic rock
What type of rock forms when magma cools?
Igneous rock
206
How are sedimentary rocks classified?
Detrital, chemical, or organic
_____ are ideal for jewelry because they can be cut and polished.
Gems
A type of rock made from pieces of other rocks, dissolved minerals, or plant and animal matter that collect to form rock layers is called _______.
Sedimentary rock
Rocks _______ change from one form to another.
A. Sometimes. C. Never
B. Rarely. D. Constantly
D. Constantly
What US state has the longest coastline?
Alaska
What are the 3 types of rocks?
Metamorphic, sedimentary, and igneous
_____ must be mined, smelted, and refined before they can be processed into useful everyday materials.
Ores
A _______ is an inorganic, solid material that is usually made up of two or more minerals and can be metamorphic, sedimentary, or igneous.
Rock
How is sediment changed into sedimentary rock?
Compaction and cementation
What country invented hotdogs?
Germany
What kind of rocks are formed by volcanic eruptions?
Extrusive igneous rock
True or False? All minerals are inorganic solids.
TRUE
A _______ is an inorganic, solid material found in nature.
Mineral
How is a rock different from a mineral?
A rock is made up of two or more minerals. Minerals are inorganic solids found in nature.
What is the softest mineral on Earth?
Talc