DYNAMICS OF THE EARTH 8TH GRADE

The cyclical movement of rock masses that takes place in the mantle are called...

• Geothermal energy.

• Geothermal currents.

• Convection currents.

• None of the above

Convergent boundaries usually coincide with...

• An oceanic ridge.

• A trench.

• A continental slope

The internal dynamic processes of the geosphere cause the formation of...

• Igneous and sedimentary rocks.

• Igneous and metamorphic rocks.

• Sedimentary and metamorphic rocks.

When magma does not reach the surface and solidifies inside the crust...

• Volcanic rocks are formed.

• Plutonic rocks are formed.

• Metamorphic rocks are formed

What types of rocks can contain fossils?

• Sedimentary rocks.

• Igneous rocks.

• Metamorphic rocks.

• None of the above.

Depending on the origin of the sediment, sedimentary rocks can be...

• None of the above

• Foliated or non-foliated

• Volcanic or plutonic.

• Detrital or non-detrital.

Seismic waves reach the Earth’s surface at the...

• Epicentre.

• Hypocentre.

• Supercentre.

What are the parts of a typical volcano?

• Volcanic chamber, conduit, magma edifice and crater.

• Magma chamber, conduit, volcanic edifice and crater.

• Chamber, volcanic conduit, magma edifice and crater.

Where is the only place in Spain with active volcanoes?

• Balearic Islands.

• Galicia.

• Canary Islands.

Where are most mountain ranges formed?

• At convergent boundaries.

• At conservative boundaries.

• At divergent boundaries.