Earth Structures

Front

What is the main cause of earthquakes?

Back

movement of tectonic plates

Front

The early hypothesis of ___ was based on observations that suggested continents were once joined together. Later, the theory of ___ explained why large pieces of Earth's surface move around and how many of Earth's features form.

Back

continental drift; plate tectonics

Front

In the Earth's mantle, heat is transferred in large convection currents. Within these currents;

Back

hotter rock rises and cooler rock sinks

Front

Which of the following statements is true? The Earth's lithosphere is made up of tectonic plates. The Earth's mantle is made up of continents. The Earth's mantle is made up of tectonic plates. The Earth's lithosphere is entirely made up of liquid magma.

Back

The Earth's lithosphere is made up of tectonic plates.

Front

Most of the energy in Earth's atmosphere, oceans and living systems comes from ______.

Back

the Sun

Front

Layers of sand and other sediment that become sediment rock can contain the remains of plants, animals or both.

Back

can contain the remains of plants, animals or both.

Front

What type of rock are mid-ocean ridges made up?

Back

igneous rock

Front

Which of the following lists Earth's compositional layers starting with Earth's center and ending with the outermost layer: mantle, crust, core; crust, mantle, core; crust, core, mantle; core, mantle, crust?

Back

core, mantle, crust.

Front

Which shows the steps of the formation of sedimentary rock in the correct order? Options: erosion--> weathering--> deposition --> compaction/cementation, compaction/cementation --> erosion --> weathering --> deposition, weathering --> erosion --> compaction/cementation --> deposition, weathering --:> erosion --> deposition --> compaction/ cementation

Back

weathering --:> erosion --> deposition --> compaction/ cementation

Front

How do volcanic mountains form?

Back

Lava, ash and other materials from volcanic eruptions gradually build up over time.