Earthquakes and Volcanoes

How can earth's surface change quickly?

• canyons and rivers

• earthquakes, volcanoes and landslides

• oceans and deltas

What are the layers of the earth?

• core, inner core, outer core

• core, mantle and crust

• crust, magma, volcano

What is magma?

• lava outside the volcano

• magma outside the volcano

• molten rock inside the volcano

Mr. Wayne showed his class a picture of a large crack in the land. What most likely caused this crack?

• a landslide

• an earthquake

• a volcano

Each year an island near Hawaii gets a little larger. How does this most likely happen?

• Landslides cause rocks to fall on the island.

• Earthquakes raise the land around the island.

• Volcanic eruptions add lava that builds up the land.

Rachel learned that area where a mountain stands today used to be flat land. What most likely caused the mountain to form?

• Wind deposited soil and rocks.

• Two plates pushed against each other.

• Gravity caused rocks and soil to move.

Name a landform that results from plate movements below the surface of the earth..

• canyon

• mountain

• plateau