Topographic Maps

Deep-ocean trench

• A shallow area of the ocean where sunlight penetrates

• A deep, steep depression on the ocean floor- The deepest places on Earth

• A region of the ocean with abundant marine life

• A flat area of the ocean floor with no significant features

What is a topographic map?

• A map that shows only political boundaries and cities.

• A detailed representation of the Earth's surface, showing elevation and landforms.

• A type of map used exclusively for hiking trails.

• A map that displays only bodies of water and vegetation.

Hot Spot

• Places where hot magma rises through the Earth's surface

• Areas with frequent earthquakes

• Regions with high volcanic activity

• Locations of major tectonic plate boundaries

Mid-ocean ridge

• An underwater mountain range

• A type of ocean current

• A shallow coastal area

• A deep-sea trench

What does it mean if contour lines are spread out?

• It indicates a steep slope or a rapid change in elevation.

• It indicates a gentle slope or a gradual change in elevation.

• It indicates a flat area with no elevation change.

• It indicates a vertical drop or cliff.

What does it mean if contour lines are close together?

• It indicates a flat area with little elevation change.

• It indicates a steep slope or a steep change in elevation.

• It indicates a gradual slope with minimal elevation change.

• It indicates a water body or depression in the landscape.

Rift valley

• A long valley caused where Earth's surface is pulled apart in a mid-ocean ridge

• A narrow valley formed by the erosion of a river

• A depression in the Earth's surface caused by volcanic activity

• A flat area of land between two mountain ranges

Volcano

• An opening in Earth's surface out of which lava, hot gases, and ash erupt

• A mountain that is always covered in snow

• A large body of water surrounded by land

• A type of tree found in tropical regions

What is a landform?

• A natural feature of the Earth's surface, such as mountains, valleys, plateaus, and plains.

• A type of vegetation found in forests.

• A man-made structure like a building or bridge.

• A geological process that shapes the Earth.

What do contour lines represent on a topographic map?

• They represent the boundaries of different land use areas.

• They indicate the depth of water bodies.

• They represent elevation and the shape of the land. Each line connects points of equal elevation.

• They show the location of roads and trails.