EH Inv 5 Igneous Rocks

Igneous rock is rock that forms when

• Lava on the surface dries up and makes a rock

• Melted rock cools and forms crystals

• Rocks are under tremendous heat and pressure and form crystals

• Magma is melted rock underground

Tags

NGSS.MS-ESS2-1

The crust of Earth may include _____ .

• continents and ocean floors

• continents only

• layers of sedimentary rock and continents

• all of the above

Tags

NGSS.MS-ESS2-1

Your friend offers to show you an intrusive igneous rock. Which of the following would you expect to see?

• A glassy rock

• A rock with large crystals

• A rock with small crystals

• A rock with large bubbles

Which of the following statements describes the mantle?

• Solid rock composed mainly of basalt and granite

• Layer that contains sediments

• Layer directly beneath the ocean water

• Semisolid layer in the interior of Earth

Which two are characteristics of the lithosphere.

• Made of the crust and upper mantle

• Solid

• Semisolid

• Very hot

Which two are characteristics of the asthenosphere.

• Made of the crust and upper mantle

• Solid

• Semisolid

• Very hot

The order of Earth's spheres from outermost to innermost is...

• crust, mantle, inner core, outer core

• crust, mantle, outer core, inner core

• crust, outer core, inner core, mantle

• crust, inner core, outer core, mantle

Basalt is an igneous rock with very small crystals. This means it cools...

• Slowly

• Quickly

• Under ground

• Above ground

Granite is an igneous rock with large visible crystals. This means it cools...

• Slowly

• Quickly

• Under ground

• Above ground

What is the relationship between cooling rate and crystal size?

• Longer cooling time allows smaller crystals to form.

• Longer cooling time allows larger crystals to form.

• Shorter cooling time allows larger crystals to form.

• 

Tags

NGSS.MS-PS1-4