Tectonic Plates, Volcanoes, and Earthquakes

How many years ago did Earth form?

Tags

NGSS.MS-ESS1-4

Molten rock is called ___ inside Earth and ___ outside Earth.

• lava, magma

• magma, lava

An igneous rock that forms inside earth is called ___ and has ___

• intrusive, coarse crystal grains

• extrusive, coarse crystal grains

• intrusive, fine crystal grains

• extrusive, fine crystal grains

An igneous rock that forms on the surface of earth is called ___ and has ___

• intrusive, coarse crystal grains

• extrusive, coarse crystal grains

• intrusive, fine crystal grains

• extrusive, fine crystal grains

___ rocks are formed by heat and pressure

• sedimentary

• igneous

• metamorphic

The inner core of Earth is hotter than the outer core. The outer core is

• solid rock - mostly iron and nickel

• liquid rock - mostly iron and nickel

Tags

NGSS.MS-PS1-1

Earth crust is like the skin on a

• watermelon

• apple

• orange

• kiwi

The crust sits atop the ___ on which it slowly moves-slides-drifts

• lithosphere

• mantle

• outer core

• inner core

Tags

NGSS.MS-ESS2-3

The mantle is

• very hot and solid

• very hot and liquid

• cool and solid

• cool and liquid

Tags

NGSS.MS-PS1-4

The crust is ___ miles thick and Earth is ___ miles in diameter

• 25

  8,000

• 2,000

  8,000

• 8,000

  25