Why is the inner core of the Earth solid?

• it's very hot

• high pressure

• it is metal

• it is molten rock

Where can convection currents be found?

• inner core

• outer core

• mantle

• crust

Which layer of the earth is divided into pieces called tectonic plates?

• inner core

• outer core

• mantle

• crust

Why do the tectonic plates move?

• ocean currents in the hydrosphere

• winds in the atmosphere

• gravity

• convection currents in the mantle

In which type of plate boundary do the tectonic plates move apart?

• conservative or transform

• constructive or divergent

• destructive (collision zone)

• destructive (subduction zone)

Which type of plate boundary has mainly volcanoes and few large earthquakes

• conservative or transform

• constructive or divergent

• destructive (collision zone)

• destructive (subduction zone)

Which type of plate boundary involves one piece of oceanic crust sliding under a piece of continental crust

• conservative or transform

• constructive or divergent

• destructive (collision zone)

• destructive (subduction zone)

Which type of crust is older and less dense?

• continental

• collision

• oceanic

Which type of plate boundary is found on the West coast of Mexico and South America

• conservative or transform

• constructive or divergent

• convergent(collision zone)

• destructive (subduction zone}

Where is the Ring of Fire

• round the Atlantic Ocean

• round the Pacific Ocean

• Round the Mediterranean Sea

• Around the Himalayan Mountains