"Earth Science" Pre-Assessment

Front

What causes most of Earth's earthquakes and volcanoes?

Back

Most of Earth's earthquakes and volcanoes occur along plate boundaries.

Front

Which layer of the Earth is the most dense?

Back

The Inner Core is the most dense layer of the Earth.

Front

What happens to agricultural runoff from farms?

Back

Agricultural runoff can carry sediment, nitrates, and phosphates to nearby rivers, oceans, and distant rivers downstream.

Front

What is contour plowing?

Back

Contour plowing is the process of growing crops along the contours or slopes of a hill.

Front

What is a benefit of contour plowing?

Back

Contour plowing helps slow water run-off and prevent soil erosion.

Front

Where are most mountain ranges located?

Back

Most mountain ranges are located at the boundary between two tectonic plates.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is subduction?

Back

Subduction is the process where one tectonic plate moves under another and sinks into the mantle.

Front

What is the difference between the inner core and outer core?

Back

The inner core is solid and extremely hot, while the outer core is liquid and composed mainly of iron and nickel.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water.