Science 8 Chapter 13 Lesson 2 Rocks results

Science 8— Chapter 13 Lesson 2 Rocks

• results when uneven pressures cause flat minerals to line up, giving the rock a layered appearance

foliation • results when uneven pressures cause flat minerals to line up, giving the rock a layered appearance

• a naturally occurring solid mixture composed of minerals, smaller rock fragments, organic matter or glass

rock • a naturally occurring solid mixture composed of minerals, smaller rock fragments, organic matter or glass

• rock formed from magma or lava when it cools

igneous rock • rock formed from magma or lava when it cools

• individual particles in a rock

grains • individual particles in a rock

• molten rock that erupts onto Earth’s surface

lava • molten rock that erupts onto Earth’s surface

• molten rock when it is inside the Earth Yellowstone Park Magma Chamber

magma • molten rock when it is inside the Earth Yellowstone Park Magma Chamber

• rock that forms when sediments become pressed or cemented together or when sediments fall out of solution

sedimentary rock • rock that forms when sediments become pressed or cemented together or when sediments fall out of solution

• refers to grain size and how the grains are arranged

texture • refers to grain size and how the grains are arranged

• the process through which sediment turns into rock

lithification • the process through which sediment turns into rock

• rock and mineral fragments that are loose or suspended in water

sediment • rock and mineral fragments that are loose or suspended in water

• the natural process that moves sediments from place to place

erosion • the natural process that moves sediments from place to place

• the breakdown of rocks into smaller particles by natural processes

weathering • the breakdown of rocks into smaller particles by natural processes

• the process that turns parent rocks into metamorphic rocks

metamorphism • the process that turns parent rocks into metamorphic rocks

• rocks that have changed due to temperature and pressure increases

metamorphic rock • rocks that have changed due to temperature and pressure increases