How are they formed?
How are igneous rock form?
form when hot, molten rock crystallizes and solidifies.
Igneous rocks form when ___ cools. Magma is the hot ____ rock that is found under the earth’s crust.
magma, and liquid
When does biological weather occur?
Biological weathering occurs when plants, animals help by breaking up rocks and soil.
What is magma
hot fluid below the earth's crust
How are sedimentary rocks form?
When the magma is _____ the ground e.g. in volcanoes it forms extrusive igneous rock as the rock is extruded from the earth.
above
What can wind do?
Wind can carry small particles of sand
What does foliated mean?
Foliated rock is an extremely pressurized rocks
How are metaphoric rocks formed?
when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.
When the magma cools_____ the ground it forms intrusive igneous rock.
below
What is acid-rain?
Acid rain can cause rocks such as limestone to discover
What does non-foliated mean?
does not have sheets of rocks
How are non-foliated rocks form?
Non- foliated rock is formed when rocks are exposed to enormous heat.
Coal can be turned into ______
anthracite
What happens when we burn fossil fuels?
When we burn fossil fuels the gases form nitric, and carbonic acids in the atmosphere.
What does cementation mean?
Cementation is where water is squeezed out of the rock grains and crystals form
Who is foliated rock formed?
Extremely pressurized metamorphic rock. Hot igneous rock can squeeze into existing rock and literally bake it. These are called hornfels. This is called contact metamorphism.
Limestone can be turned into ______
marble
What causes the weather?
The sun is responsible for our weather. So the energy from the sun is responsible for the weathering and erosion of rocks.
what is compaction
Compaction is where the pressure above the layer presses down