| A | B |
|---|
| rocks that form when layers of sediments settle on top of one another and harden | sedimentary |
| rocks that form from molten rock | igneous |
| rocks that have changed as a result of heat and pressure | metamorphic |
| rock melted into liquid form | molten rock |
| comes from a volcano and can form layers of sedimentary rock | ash |
| Molten rock that is still below ground | magma |
| Molten rock that is above ground | lava |
| landform that forms at an opening in the Earth’s crust where molten rock can reach the surface | volcano |
| The laying down of dirt and pieces of rock that is carried away through erosion | deposition |
| Process by which rocks are slowly broken into smaller pieces | weathering |
| Process of carrying away weathered bits of rock | erosion |
| Wetlands that form as a river empties its water and sediment into another body of water | delta |
| The point on Earth’s surface that is directly above the focus of an earthquake | epicenter |
| The place underground where an earthquake begins | focus |
| Large pieces of the earth’s crust & top mantle that are always moving. | plates |
| a break or crack in rocks where Earth's crust can move suddenly | fault |
| The outermost layer of Earth | crust |
| water covering normally dry land | flood |
| The sudden movement that causes the Earth’s crust to shake | earthquake |
| Huge waves in the ocean that are caused by disruptions on the ocean floor such as volcanoes or earthquakes | tsunami |
| a period of unusually low rain or snowfall | drought |
| The rapid downhill movement of a large amount of rock & soil | landslide |
| mounds of sand from wind moving grains of sand | sand dunes |
| huge sheets of ice that moves, weathers, & erodes the Earth beneath it as gravity pulls it down a slope | glacier |
| Natural features on Earth's surface | landforms |
