Planet Earth Topic 1-2

______________ is an example of an igneous rock formed very deep and slowly in Earth's crust. 

Rounded pebbles and small stones, cemented together, form...

A pure substance is a ?

Shale belongs to which family? 

The name of the hardness scale numbers 1-10 is...

The quicker an igneous rock cools, the smaller the crystals. 

Cooled lava is found? 

What influences soil formation? 

Which is the hardest mineral on the hardness scale? 

The thin outermost layer of earth is called?

The title of this image should be? 

What is the softest mineral? 

Clay and mud can form? 

Larger crystals form when an igneous rock has a longer time to cool. 

Which of the following are properties used to identify unknown minerals? 

The cooling of magma creates which type of rock? 

Magma is found? 

Your fingernail hardness is 2.5 would it be able to scratch calcite at 3. 

Solidified molten and lava form? 

The cooling of lava creates which type of rock? 

There are how many major crystal systems? 

The family of rock that makes up the majority of the earth's surface is?