Earthquakes Practical Exercise

What is the first piece of evidence Wegener noticed that led to his idea of continental drift?

• The continents fit together like puzzle pieces.

• The continents have similar crust compositions.

• The continents all have mountain ranges and valleys.

• The continents are all of a similar size.

What theory did Wegener prove using geological evidence that the continents were once joined?

• tectonic movement

• tectonic shift

• continental hypothesis

• continental drift

According to the Continental Drift Hypothesis, what has been happening to our continents for millions of years?

• Rising

• Moving

• Sinking

• Growing

Select all possible answers: Which of these statements supports continental drift?

• Identical fossils found on different continents

• Identical rocks found on different continents

• Continents that fit together like puzzle pieces

• Different ferns on different continents.

What does the theory of continental drift state?

• The continents were once much farther apart and have since been moving together

• The continents were all joined together and slowly drifted apart.

• There used to be more continents than there are today, but some are now underwater

• Continents move by floating on water

Which scientist discovered continental drift?

• Hutton

• Vernes

• Galileo

• Wegener

Alfred Wegener discovered his first piece of evidence for the continental drift hypothesis in 1967.

• TRUE

• FALSE

Answer explanation

Alfred Wegener (1880–1930)

Alfred Wegner did not live in 1967

Fossils of the seed fern Glossopteris were easily carried by wind across oceans.

• TRUE

• FALSE

Answer explanation

Fern spores cannot float all the way from one continent to the other via the ocean.

Deep focus earthquakes cause the most damage.

• TRUE

• FALSE

The ​ (a)   is where an earthquake happens within the Earth.

• epicenter
• fault line
• magma chamber
• convection currents