yazied 7 science ( F) unit 1 lesson #1

Rocks and other materials that make up Earth’s surface are matter, so they can not be created or destroyed!

• true

• false

___________is the process by which rock materials are broken down by the action of physical and chemical processes.

___________is the process by which rock materials are broken down by the action of physical and chemical processes.

• weathering

• erosion

• sediment

Erosion changes rocks by breaking them into smaller and smaller pieces, or by dissolving and removing some chemicals within the rock.

• true

• false

___________ changes rocks by breaking them into smaller and smaller pieces, or by dissolving and removing some chemicals within the rock.

Fragments of weathered rock, are called____________

_____________can build up in layers on Earth’s surface to form rock formations, sand dunes, and other features.

Weathering !

• transporting weathered materials from one location to another

• dissolving and removing some chemicals within the rock.

• changing rocks by breaking them into smaller and smaller pieces.

• occurs when eroded materials are dropped or laid down .

Some rocks are more resistant to weathering than other rocks.

• true

• false

___________and _____________weathering are the two main types of weathering.