1-3 glossary

Question 1

crust

Answer 1

the thin outermost layer of earth

Question 2

rock

Answer 2

a non living crystalline material

Question 3

element

Answer 3

a pure substance or a compound

Question 4

crystals

Answer 4

a mineral from the earths crust

Question 5

lusture

Answer 5

the shine of a crystal/mineral

Question 6

streak

Answer 6

the colour of a powder that comes of crystals

Question 7

cleavage

Answer 7

the seperating layers of crystals

Question 8

fracture

Answer 8

a rough sharp edge of a mineral

Question 9

mineral

Answer 9

a more natural crystaline material

Question 10

igneous

Answer 10

a rock thats been solidifed from lava or magma

Question 11

magma

Answer 11

melted rock formed under earths crust

Question 12

intrusive rock

Answer 12

a type of rock formed when lava cools

Question 13

exstrusive rock

Answer 13

a type of igneous formed when magma cools above the earths crust

Question 14

sedimetery rock

Answer 14

a rock formed by loose materials

Question 15

sediment

Answer 15

loose materials such as rock bits and organic remains

Question 16

compaction

Question 17

cementation

Answer 17

when particals are help together by other material

Question 18

metamorphic rock

Answer 18

a type of rock made by high heat and pressure that changes its form

Question 19

parent rock

Answer 19

the orginal rock before it goes through the rock cycle

Question 20

compost

Answer 20

something made out of plant matter

Question 21

humus

Answer 21

a dark coloured portion of soil in compost

Question 22

fertile

Answer 22

a type of soild that helps plant growth

Question 23

soil profile

Answer 23

the layers of soil and how there divided

Question 24

top soil

Answer 24

a dark rich soil that contains humus and rock

Question 25

leaching

Answer 25

is the removal of soil materials dissolved in water

Question 26

mechanical weathering

Answer 26

physical break up

Question 27

frost wdging

Answer 27

when water gets into cracks and breaks things

Question 28

chemical weathering

Answer 28

breaks down materials with chemicals

Question 29

biological weathering

Answer 29

the breakdown of rocks caused by plants animals bacteria and fungi

Question 30

straitons

Answer 30

the scratches on rocks

Question 31

meandering

Answer 31

when the river is going super slow and it still digs

Question 32

erosin

Answer 32

the movements of rock from one place to another

Question 33

abrasion

Answer 33

exstreme exsamples of wind erosin

Question 34

moraines

Answer 34

when glaciours begin to melt and retreat

Question 35

weathering

Answer 35

rocks can be weatherd mechachincaly, chemicaly,biologicaly