Earth's Landforms
Plate Tectonics
Volcanoes
Earthquakes
Shaping Earth's Surface
100
What are landforms?
A landform is a physical feature on Earth's surface.
100
What is geologist?
A geologist is a scientist who examines rocks to find out about Earth's history and structure.
100
What does the Ring of Fire surround?
The Ring of Fire surrounds the Pacific Ocean.
100
What is an earthquake?
An earthquake is a sudden movement of Earth's crust.
100
What is weathering?
Weathering is the process through which rocks or other materials are broken down.
200
What is a delta?
A delta is the mass of land that forms at the mouth of a river.
200
How did Wegener's idea become known as?
Wegener's idea became known as the theory of continental drift.
200
How is magma called once it reaches Earth's surface?
Once magma reaches Earth's surface, it is called lava.
200
What is magnitude?
Magnitude is the measure of the amount of energy released by an earthquake.
200
What are glaciers?
A glacier is a large mass of slowly flowing ice.
300
What are the deepest parts of the ocean floor?
Trenches are the deepest parts of the ocean floor.
300
What where Africa and South America once part of? (Name it)
South America and Africa where once part of a supercontinent called Pangaea.
300
How are shield volcanoes built?
Shield volcanoes are built by thinner, fluid lava that spreads over a large area.
300
What are aftershocks?
Aftershocks are sometimes felt after the main earthquake and are earthquakes with lesser magnitude.
300
Where do glaciers form?
Glaciers form in cold areas where snow piles up and freezes.
400
What is a relief map?
A map that uses shading to show elevations is called a relief map.
400
What is magma?
Magma is hot, melted rock.
400
How are cinder-cone volcanoes built?
Cinder-cone volcanoes are built by thick lava that is thrown high into the air and falls as chunks or cinders.
400
What does the Richter scale measure?
The Richter scale measures magnitude at the epicenter.
400
What does gravity do when rocks and soil on a slope are loosened?
When rocks and soil on a slope are loosened, gravity pulls them downward.
500
What is a topographical map?
A topographical map uses lines to show elevation.
500
Himalayas grow about __ millimeters (__.__ inches) taller every year.
Himalayas grow about 5 millimeters (0.2 inches) taller every year.
500
How are composite volcanoes built?
Composite volcanoes are built by layers of ash and cinders sandwiched between layers of hardened lava.
500
What does the Mercalli scale measure?
The Mercalli scale measures what people felt and what happened to objects at a specific location.
500
What is erosion?
Erosion is the process through which weathered rock is moved from one place to another.
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