BATTLE OF THE BRAINCELLS-Q1M3M4

Which processes of generating magma are at work in the given photo?

• heat transfer and flux melting

• decompression and flux melting

• compression and volcanic melting

• decompression and heat transfer melting

What does convection in the mantle do to the Earth’s internal heat? It _______.

• increases the temperature of the core

• transfers heat from the crust to the core

• distributes heat from the core closer to the surface

• decreases the temperature of the crust and mantle

Where does the Earth’s primordial heat come from? It is the remaining heat from ______________________ when the Earth was still developing into a planet.

• trapped radiation because of a very thick atmosphere

• the collision of particles and the redistribution of materials

• underwater volcanoes that erupted in the past

Which substance affects the viscosity of magma?

• CARBON

• SILICA

• THORIUM

• URANIUM

What is radioactive heat? It is heat generated by the ________________.

• high frequency EM waves

• decay of unstable isotopes

• sun’s radiation

Which source of energy comes from the Earth’s internal heat?

• GEOTHERMAL ENERGY

• RADIANT ENERGY

• SOLAR ENERGY

• MAGMA ENERGY

Magma is located in which specific layer of the Earth?

• mesosphere

• asthenosphere

• lithosphere

• geosphere

How is a magma being described?

• liquid

• semi-liduid

• semi-solid/plastic-like

• metal-like

Which type of magma has higher silica content?

• felsic

• mafic

• terrific

What type of metamorphism is being shown in the photo?

• regional

• contact

• dynamic

• subduction