6th grade science Rocks

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In metamorphic rocks when there are minerals that look almost like pages of a book this is known as ___ metamorphic rock?

Foliate

In metamorphic rocks that do not appear to have any pattern in them, this is known as __ metamorphic rock?

Nonfoliated

Your BCR will most like ask you to write about the complete rock cycle. Include the following key words in your paragraph-

Rock Cycle starts with *Weathering* of sediment to *Erosion* to *Deposition* to *Sedimentary Rock* to *Metamorphic rock* to *magma* to *igneous Rock back to sediment. Study page 82 & 83

The process where sediment is glued together?

cementation

what process can turn pebbles & sand into sedimentary rock?

compacting & cementing

Over time magma deep inside the earth has turned into granite. What process makes this happen?

cooling

What types of rock does slow cooling magma inside the earth make?

course grained igneous rock

Over time, granite has been pushed to the earth where weathering has worn it down into sediment. What process makes this happen?

erosion

What type of rocks do fast cooling lava outside the earth make?

fine grained igneous rock

The remains or traces of an ancient organism is called__?

fossil

The earths crust is made mostly from ___?

rock

A hard substance composed of one or more minerals. There are 3 main types of them?

rocks

What process can turn sedimentary rock into metaphoric rock?

heat & pressure

what process can turn a sedimentary rock into a metamorphic rock?

heat & pressure

what process can turn metaphoric rock into sediment?

heat & pressure

When lava cools outside of the earths surface, what type of rock is made?

*extrusive* igneous rock

When magma cools beneath the earths surface, what type of rock is made?

*intrusive* igneous rock

The process where rocks form and changed is known as___?

The Rock cycle

The type of rock that forms under the earths surface when magma cools or hardens?

igneous rock

How is a IGNEOUS ROCK formed?

it forms from the cooling of magma or lava

How is METAMORPHIC ROCK formed?

it forms when an existing rock (igneous or sedimentary) is changed by heat (cooked), pressure or a chemical inside the earth

How is a SEDIMENTARY ROCK formed?

it forms when grains of sand, other rock, sea shells or fosils pressed together from weathering

What does TEXTURE mean?

its how a rock feels & looks

What is EROSION?

its when running water or wind loosen and carry away pieces of a rock

Magma that flows onto the earths surface is called__?

lava

Molten rock inside the earth is called__?

magma

When melting of metamorphic rock occurs, it changes into__?

magma

What process can turn metamorphic rock into magma?

melting

Rock that has changed from the result of heat and pressure is called ____rock?

metamorphic

When heat & pressure are applied to a sedimentary rock it changes into___?

metamorphic rock

The change of one type of rock into another due to heat & pressure?

metamorphism

What are GRAINS in a rock?

particles or other rocks that give a rock its texture (how it feels).

Particle of broken rock that have been broken down due to weathering and erosion is called__?

sediment

When rocks are affected by weathering & erosion they change into ___?

sediment

Rocks made up of pebbles cemented together with other sediment?

sedimentary rock

When sediment is compacted & cemented it changes into___?

sedimentary rock

The most noticeable feature of sedimentary rock are its layers. Another word for these layers is___? hint: sedimentary begins with an 'S' so does this word.

strata or stratification

How do geologist classify different rocks?

they classify rocks based on *composition & texture*

The breaking down of rocks and other materials?

weathering

what process can turn igneous rock into sedimentary rock?

weathering & erosion


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