Environmental Changes Answers

Which sources do scientists use to study the interior of Earth? Check all that apply.

molten ✔ solid tarry

Use the drop-down menus to select the part of Earth best described by each phrase. May help create Earth’s magnetic field Can be thick or thin, depending on location Made of molten metal The location of Earth’s plates

Use the drop-down menus to select the part of Earth best described by each phrase.

How do earthquakes help geologists understand Earth’s interior? During an earthquake, geologists use a machine called a to study seismic waves. P waves can pass through both solid and molten rock, but S waves can pass only through rock.

Which event would most likely occur if Earth did not retain the heat from its formation?

A scientist uses a special instrument to measure the depth of Earth’s crust. He measures one location that is 65 kilometers deep. Where is this section of crust most likely located?

Which phrases are true of only the mantle? Check all that apply.made of three layershas a tarry layermade of two layershas a molten outer layerhas a solid outer layer

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Why are the properties of the asthenosphere important? Check all that apply.The asthenosphere keeps Earth’s crust from getting too hot.Earth’s plates float on the denser asthenosphere.The depth of the asthenosphere keeps pressure on Earth’s core.The asthenosphere allows Earth’s crust to move.The asthenosphere creates Earth’s magnetic field.

Earth's lithosphere is made of slabs called plates. The movement within Earth's interior causes plates to move. How the plates behave affects the shape of Earth’s crust.Which statement describes the movement of plates 1 and 2?

You have learned that different types of rocks are found in Earth’s layers. Their composition affects their densities.What can you conclude based on the information in the table?

2✔ 45