Rocks

___________ rocks are formed when magma cools.

• Sedimentry
• Igneous
• Metamorphic
• Mineral

When igneous rock breaks apart (weathers), it forms ___________.

• sedimentry rocks
• metamorphic rocks
• sediments
• crystals

The __________ describes the process by which rocks change forms.

• rock cycle
• water cycle
• igneous cycle
• metamorphic process

Geologists have classified rocks into three major groups of rocks which are:

• inorganic, organic and chemical rocks

• igneous, sedimentary and metamorphic rocks

• metamorphic, chemical and non chemical rocks

• sedimentary, inorganic and igneous rocks

Any rock that forms from another rock as a result of changes in heat or pressure (or both) is a:

• chemical rock

• igneous rock

• sedimentary rock

• metamorphic rock

The way a mineral breaks. It is NOT smooth and has a rough surface is called ___.

• streak

• fracture

• cleavage

• hardness

A scale that ranks hardness of minerals is called __.

• color

• fracture

• minerals

• Mohs Hardness Scale

Tiny rock particles like sand and dirt is called ___.

• foliated

• sediment

• composition

• hardness

Which process occurs to turn sediments into sedimentary rock?

• compacting and cementing

• melting

• heat and pressure

• weathering and erosion

Which of the following properties of

minerals is described with the Mohs

scale?

• hardness

• luster

• fluorescence

• fracture