Week 21 Vocab R

Erosion

• The broken down rocks into very small pieces (almost like a powder)

• Pieces of weathered material is carried away or moved

Igneous rock

• What is formed when hot magma or lava cools and hardens.

• To press together or force into a smaller space. Squeeze or press together.

Chemical weathering

• A break in the earth's crust. Most earthquakes occur along this.

• Breaking down into small pieces by the action of chemicals.

Metamorphic rock

• Molten (melted or liquid) rock in the earth's crust.

• Rock that has been changes by heat and pressure.

Magma

• Breaking down into small pieces by the action of physical means.(by wind, water, ice, and plants.)

• Molten (melted or liquid) rock in the earth's crust.

Physical weathering

• Breaking down into small pieces by the action of physical means.(by wind, water, ice, and plants.)

• Molten (melted or liquid) rock in the earth's crust.

Weathering

• Breaking down into small pieces

• Being dropped off and piled up by flowing water, moving ice, or blowing wind

Fault

• A break in the earth's crust. Most earthquakes occur along this.

• Breaking down into small pieces

Compress

• Pieces of weathered material is carried away or moved

• To press together or force into a smaller space. Squeeze or press together.

Sediment

• The broken down rocks into very small pieces (almost like a powder)

• Molten (melted or liquid) rock on top of the earth's crust