1.  What is the tallest mountain in the world called? 2.  What is the tallest mountain in Canada called? 3.  What is Mount Vesuvius? 4.  What is granite made up of? 5.  What do coal and diamonds have in common? 6.  What is the Ring of Fire? 7.  What was Pangea? 8.  What is your birthstone? 9.  What causes a tsunami? 10.  What causes an earthquake?