What is a place where hot melted rock comes out of the ground onto earth's surface?热的融化的岩石从地下涌向地球表面属于什么?
erosion
earthquake
volcano
When a large amount of dirt and rock fall down a hill?大量的泥土和岩石从山上掉下来，这一过程称之为什么？
volcano
landslide
earthquake
Volcanoes, Earthquakes, and landslides are all examples of? Volcanoes, Earthquakes, and landslides 属于什么性质的变化？
fast change
slow change
What is the hot, liquid layer just under the earths crust? 地壳下面的热液体层是什么?
core
volcano
mantle
What kind of change that happens when wind and water break down rock into smaller pieces? 风、雨将石头冲击成小块属于什么变化？
erosion
deposition
weathering
What is the center of the earth called? 地球的中心称为什么？
crust
core
mantle
What kind of change that happens when wind and water move rock and soil?风和水移动岩石和土壤属于什么变化？
erosion
volcano
weathering
Why do earthquakes happen? 地震为什么会发生？
Strong wind blows of the land
Pieces of the earth crust rubbing against each other?
The earth becomes too hot
What is it called when wind or water lay down soil and rock in a new place?风或水将泥土或石头堆积到新的地方，这一过程称为什么？
erosion
deposition
weathering
What is the outer surface of the earth called?地球最外面一层成为什么？
core
crust
mantle
What causes the earth to shake? 什么导致地球颤动？
earthquake
weathering
erosion