Which magnitude earthquake is so gentle that it can't be felt, but can still be detected by a seismograph?

• 7

• 5

• 2.5

• 9

What do you see at E?

• Lava flow

• Magma chamber

• Volcanic pipe

• Crater

What can be observed at point A?

• Focus

• Seismic waves

• Epicenter

• Fault line

Which seismic wave is it?

I'm the wave that arrives second in an earthquake and can only travel through solids.

• P- waves

• Surface waves

• S-waves

Who proposed the theory of Continental drift?

What does absolute dating of fossils mean?

• It is a process of finding out the numerical dates of rocks.

• It is the process of comparing rock layers.

• • Certain fossils help determine which organisms lived in a specific time and age.

Volcanoes form at these two tectonic plate boundaries.

Choose two answers.

• Transform boundaries

• Divergent boundaries

• Convergent boundaries

• Plate tectonics

Which picture best describes seafloor spreading?

• 
• 
• 

The 'Age of Early life' is the ______________.

• Mesozoic era

• Cenozoic era

• Precambrian eon

• Phanerozoic eon

The four divisions of Geologic time scale are..

• Era

• Epoxy

• Eon

• Period

• Epoch