ROCKS AND MINERALS 100 200 300 400 500 MINERAL I.D. More MINERAL I.D. IGNEOUS CHANGING ROCKS MAKING ROCKS 100 200 300 400 500

What type of matter does not contain materials that were once part of living things? Answer

inorganic Home

What is fracture? Answer

This is how a mineral looks when it breaks apart in an irregular, blocky way. Home

What is cleavage? Answer

When a mineral breaks or splits along flat surfaces. Home

What is inorganic matter? Answer

Matter that does not contain materials that were once part of living things. Home

Define mineral Answer

A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition. Home

What is the streak of a mineral? Answer

The color left behind when a rock is rubbed against a ceramic tile. Home

How do you determine the hardness of a mineral? Answer

The scratch test Home

What is harder a diamond or a streak plate? Answer

A diamond, so it does not leave a streak. Home

If you were going to make a rock, what would you use for ingredients? Answer

minerals Home

What scale is used to rate hardness of minerals? Answer

Moh’s hardness scale . Home

Which rock type can have a record of the events that happened when it was being formed? Answer

Sedimentary Home

What happens to sedimentary rocks that turns them into igneous rocks? Answer

The rock melts into magma ( at a subduction zone) and then cools into rock. Home

What process happens to rock inside the crust to create magma? Answer

melting Home

What type of temperatures are needed to make magma Answer

High temperatures are needed to melt the rock into magma Home

How does lava become igneous rock? Answer

Erupting from a volcano or vent and cooling on the surface of the crust. Home

What two actions change igneous or sedimentary rock into metamorphic rock? Answer

Heating and pressure Home

When heat and pressure are applied to limestone, it turns into the metamorphic rock named _____. Answer

marble Home

What type of rock forms when pebbles and small pieces of sand settle to the bottom of the ocean and get compressed? Answer

Sedimentary Home

Which rock type can have a record of the events that happened when it was being formed? Answer

Sedimentary Home

Rock particles that are melted and then cool and harden are considered what type of rock? Answer

Igneous rock Home

A rock with large crystal sizes shows that it cooled quickly or slowly? Answer

It cooled slowly Home

When sedimentary rock has large pebbles, is it called detrital or chemical rock? Answer

Detrital rock Home

What part of the crust is the site of melting rocks? Answer

Deeper in the crust in a magma pit. Home

What is chemical weathering? Answer

When liquids like acid rain slowly dissolve rocks or statues made of rock. Home

What are the four processes that rocks must go through to become sediments and sedimentary rock? Answer

Weathering, erosion, cementation, compaction Home