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Earth
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What is the physical state of the Earth's outer core?
Liquid
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The Earth's mantle has a temperature of approximately:
700°C
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Chemical weathering is primarily caused by:
Acid rain
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Which of the following is a characteristic of clay soil?
Used to make ceramics
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Which type of soil is most commonly used for growing crops?
Loam
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What is a primary use of sand?
Building materials
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Which of the following lists the layers of the Earth in order from surface to center?
mantle, inner core, outer core, crust
outer core, mantle, crust, innter core
Crust, mantle, outer core, inner core
inner core, mantle, crust, outer core
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Which of these rocks is formed by the cooling of lava on the surface?
Basalt
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What happens when plant roots grow into the cracks of a rock?
Biological weathering
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What causes earthquakes and volcanoes on the Earth's surface?
Movement of tectonic plates
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Which rock type is formed from existing rocks subjected to intense heat and pressure?
Metamorphic
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What process is responsible for weakening and breaking up rocks?
Weathering
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What is the primary cause of biological weathering?
Plant growth
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Which layer of the Earth is solid and includes the tectonic plates?
Crust
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Metals are typically extracted from natural resources called:
Ores
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Physical weathering is often caused by:
Temperature changes
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Which of these is an example of a sedimentary rock?
Sandstone
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What does the "rock cycle" describe?
Transition between rock types
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How is igneous rock formed?
Cooling of molten rock
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Which layer of the Earth has a temperature of approximately 5500°C?
Inner core
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