1.
Which solid, outermost layer of the Earth has the lowest density?
2.
What thick layer of the Earth lies between the crust and the core, where convection currents take place?
3.
What primary mechanism driven by thermal energy from the core causes tectonic plates to move?
4.
What type of tectonic boundary involves two plates moving apart from one another to create new oceanic crust?
5.
What type of boundary occurs when tectonic plates collide with one another? Deposition What is the process called when broken-down rock fragments (clasts) are dropped or settled in a new location?
6.
Which type of rock is formed from the cooling and solidification of molten rock? Crystalsize What variable does the cooling rate of an igneous rock directly affect? Pangaea What was the name of the largest of the ancient super-continents?
7.
What are the large, moving pieces that make up the Earth's crust called? Rockcycle What continuous process describes how rocks are constantly being changed from one type to another?
8.
What physical property—calculated by dividing mass by volume?
