EPT Lessons 1-8 Quiz (Convection in the Mantle)

What is the heat source for convection in the mantle?

• the Crust
• the Mantle
• the Core

What is the cooling source for convection in the mantle?

• the Crust
• the Mantle
• the Core

 Where do convection currents happen in the model we are studying?

• the Crust
• the Mantle
• the Core

Convection currents occur due to...

• rotation of earth

• differences in temperature and density

• electrons moving

• gravitational pull

Which of the following is one reason Earth's tectonic plates to move?

• energy from the Sun

• magnetic Pole Reversal

• convection currents in the mantle

• faults in Mountain Ranges

Name the type of heat transfer shown in the picture.

• convection

• conduction

• radiation

What phenomena takes place that results in the formation of new crust at mid-ocean ridges?

• Earthquakes

• Inner Core turbulence

• plate tectonics

• erosion of mountain ridges

• magma rising to the surface

which of these combines with changes in fluid's density and the force of gravity to set convection currents in motion?

• evaporation of fluid

• condensation of fluid

• freezing and melting of solid

• heating and cooling of fluid

When you heat up an object, the particles on the object move ______________.

• faster

• conduction

• convection

• more

What is magma made of?

• solid rock

• melted rock

• small pieces of sediment