Science - Q3 - Destructive & Constructive Forces

Convergent faults _______________________. --happen when plates move away from one another. --happen when plates move toward each other. --can form volcanoes --can create mountains

--happen when plates move toward each other --can create mountains

Seismic waves and water can weaken soil, causing it to move. This is called ________.

Liquefaction

How are islands and ridge valleys similar? --They are both caused by earthquakes. --They both involve volcanoes. --They both happen at convergent faults. --They are both examples of destructive forces.

They both involve volcanoes.

Which of the following statements is true? --Tsunamis are caused by seismic waves. --Earthquakes create mountain chains. --Erosion is always a destructive force. --A gradual cooling of the interior of a volcano causes volcanic eruptions.

Tsunamis are caused by seismic waves

Most volcanoes are found ___________. --near the poles --circling the equator --around the Pacific Ocean --in Europe and Asia

around the Pacific Ocean

Earthquakes _____. --created the rock arches in Utah --can be caused by volcanic eruptions --are caused by tsunami waves --wear mountains down into hills

can be caused by volcanic eruptions.

Tsunamis _____. -can cause extensive flooding -melt glaciers -are caused by weathering -are caused by erosion

can cause extensive flooding.

Volcanoes _____. --can cause tsunamis --are caused by seismic waves --carve valleys out of flat areas --are the leading cause of flooding

can cause tsunamis.

Which of the following statements is true? --Divergent faults happen when two plates move toward each other. --Tsunamis are caused by the erosion of beaches. --Earthquakes can be caused by volcanic eruptions. --Seafloor spreading happens at convergent fault boundaries.

Earthquakes can be caused by volcanic eruptions.

Volcanic eruptions can cause ___________. --earthquakes --mudslides --lava flows --long-term loss of soil fertility

Earthquakes, mudslides, and lava flows

Sand dunes are formed by _________________.

erosion

River deltas are __________. --formed by erosion --created by seafloor spreading --caused by the movement of tectonic plates --areas of infertile, rocky soil.

formed by erosion

Divergent faults form when tectonic plates _________________. --move away from each other --stop moving --crash into each other --slide past each other

move away from each other

Some of the world's most fertile soil is found near ___________________. --beaches --sand dunes --mountain ranges --volcanoes

volcanoes

The Hawaiian Islands were created by ____________________.

volcanoes