Maps & Data
What are small pictures, letters, lines, or colors that appear on a map?
symbols
________________ rocks form when molten rock cools and hardens.
Igneous
What process wears away or breaks down rock?
weathering
What is sediment?
weathered particles of rock, such as, sand, pebbles, dirt
What map tool tells what the map symbols stand for?
legend (or key)
What is a fault?
a crack in Earth's crust
_________________ rock forms when heat and pressure inside the Earth changes the rock into a new rock.
Metamorphic
As particles of rock are moved by water, wind, and ice, they settle in new locations. What is this process called?
deposition
Name the hardest mineral.
diamond
What map tool shows the directions north, south, east and west?
compass rose
Name one result of plates moving at plate boundaries.
earthquakes or volcanoes
_____________ rock forms when particles of rock - sand, pebbles, dirt - settle in layers, and get cemented together over time.
Sedimentary
___________ is the process in which weathered particles are moved by rivers, streams, rain and wind.
erosion
An igneous rock becomes a ___________________ rock when it is broken down into particles by weathering, which are moved by erosion and then settle in new places.
sedimentary
What map tool shows the distance a map covers?
map scale
Where is a common place on Earth that you would find volcanoes?
The Ring of Fire
Over millions of years, rocks continually change from one type of rock to another type of rock. What is this process called?
The Rock Cycle
Name the process that causes this:
A boulder splits in half due to rainwater entering its cracks, and then freezing.
weathering
Name 3 properties of minerals that geologists use to identify them.
shape, color, texture, luster, cleavage, hardness, or streak
What type of map shows an area's natural features, such as, hills, valleys, rivers, lakes, and bays - usually by using different colors?
a physical map
What is The Ring of Fire?
a section of Earth where volcanoes and earthquakes are common, which is the plate boundaries surrounding the Pacific Ocean
________ and _________ can change a sedimentary rock can into a metamorphic rock.
heat and pressure
Name the process that causes this:
A river slows down and sediment is dropped to form a river delta.
deposition
Name the softest mineral.
talc