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Ch 4: Rocks: Mineral Mixtures

Across
When sediment stops moving, it is called _______.
The ancient Egyptians used a rock called _______ to build the pyramids at Giza. (51)
The sizes, shapes, and positions of the grains that make up a rock are the rock’s _________.
_______ happens when water, wind, ice, or gravity move sediment over the Earth’s surface.
__________ is a change in the shape of a rock. (67)
In some cases, the rock gets hot enough to melt. This melting produces liquid rock, or ______. (52)
___________ rock forms when heat and pressure change the chemical composition of a rock. (53)
______ ________ can indicate the temperature and pressure or depth at which a rock formed. (68)
_______ rock forms when melted rock cools and hardens. (53)
__________ rock forms when the chemical composition of a rock changes because of heat and pressure. (65)
_______ sedimentary rock forms from the remains of plants and animals. (63)
Lava can also flow out of fissures onto land and form a ____ ______. (59)
________ metamorphism happens when rock is heated by nearby magma. (66)
_______ sedimentary rock forms when fragments of other rocks are cemented together. (62)
_______ ______ are parallel lines that show how wind or water has moved sediment. (63)
In a _________ metamorphic rock, the mineral crystals are not arranged in bands or stripes.
When lava erupts from a volcano, it forms a _____ _____. (59)
Down
A scientist who studies rocks is called... (Use your brain and clues in the reading! It starts with a "G")
In a ______ metamorphic rock, the minerals are arranged in stripes or bands.
_______ igneous rocks are rich in elements such as sodium, potassium, and aluminum. (58)
During ________ metamorphism, high pressures and temperatures cause the rock in a large area to change. (66)
______ are features of a rock that show that the rock has been deformed. (67)
_______ igneous rock forms when lava cools.
The combination of elements or compounds that make up a rock is the rock’s ___________.
The Texas state capitol building in Austin is constructed of a rock called ______. (51)
__________ rock is made of pieces of other rock (sediment). (53)
a naturally occurring solid mixture of one or more minerals
_________ igneous rock forms when magma cools below the Earth’s surface.
______ igneous rocks are rich in elements such as iron, magnesium, and calcium. (58)
__________ happens when water, wind, ice, and heat break down rock into smaller fragments. (52)
________ sedimentary rock forms when minerals crystallize out of water. (62)
Sometimes, lava erupts and flows along cracks in Earth's crust called ________. (59)
Sediment is deposited in layers. Therefore, most sedimentary rocks contain layers called ______ (singular, stratum). (61)