Changes to Earth’s Surface Jeopardy EarthquakesVolcanoesEarth’s LayersMiscellaneous

When rocks in a fault slide past each other energy is released and what occurs? earthquake

An earthquake beneath the ocean floor is known as a ___________ tsunami

What waves cause the most of the damage that is done to buildings during an earthquake ? Surface waves

What instrument detects an earthquake? seismograph

During an earthquake, why do S and P waves arrive at detection points at different times? They travel at different speeds

Volcanoes are ___________ formed by molten rock. mountains

What is pushed to surface or builds up in a volcano? molten rock, or magma

Where do volcanoes most often form? Along Earth’s plates boundaries.

What type of volcano is formed by violent eruptions? Cinder Cone

What 2 types of volcanoes erupt on and off for millions of years? Shield and Composite Volcanoes

How many main layers does the Earth have? 3

List the 4 layers of the earth from the outer most to the inner most. Crust, Mantle, Outer Core, Inner Core

The layer of the earth that extends from the bottom of the mantle to Earth’s center. Core

What is part of the Earth’s crust and the uppermost part of the mantle ? lithosphere

The stiff plates of the lithosphere can move because… The mantle has the ability to flow

When a glacier stops moving forward or melts what happens? It leaves behind mounds of rocks, debris, and sediment.

220 million years ago the continents formed a super continent, scientists called this… Pangaea

What is the removal and transportation of weathered material? Erosion

What happens to the Earth as a glacier moves over its landscape? The landscape is smoothed out.

Where does sea-floor spreading occur? along the mid-ocean ridge