Earthquakes & Volcanoes

Most earthquakes and volcanoes occur

• in the middle of a continent

• wherever they want; no pattern

• in the Ring of Fire

Tectonic Plates are

• huge bodies of water on Earth's surface

• huge pieces of rock under Earth's surface

Earthquakes are caused by

• movement of tectonic plates

• volcano eruptions

Most earthquakes last less than 30 seconds.

• True

• False

When tectonic plates get stuck, ______.

• it pushes the ground up

• pressure starts to build up under the surface

Small amount of energy released = _____ earthquake

• Small

• Large

Large amounts of energy released = ____ earthquake

• Small

• Large

"Release" means

• held inside

• broken down

• let out

__________________ volcanoes haven't erupted in a while but could still erupt

• Dormant

• Dead

________________ volcanoes have erupted within the last 10,000 years

• Accessible

• Active