My Crossword Maker Logo
Powered by BrightSprout
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

rocks

Author: Matthew Gilfert
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Across
4
Dark colored glass formed from the rapid cooling of molten magma.
6
Coarse-grained light colored intrusive igneous rock that contains many quartz and feldspar minerals.
9
A rock with a economically useful metal.
11
Formed by the accumulation of sediments.
12
Non-foliated metamorphic rock that is produced from the metamorphism of limestone.
15
A metamorphic rock that consists mainly of talc with various amounts of other minerals.
17
Light colored extremely coarse-grained intrusive igneous rock.
19
The first layer of earth.
20
Fine-grained dark colored extrusive igneous rock.
Down
1
Magma that has reached the surface.
2
A non-foliated metamorphic rock that is produced by the metamorphism of sandstone.
3
A clastic sedimentary rock that is composed of large fragments.
5
Made by the crystallization and solidification of molten magma.
7
A chemical sedimentary rock that forms when iron and oxygen combine in a solution and deposit as a sediment.
8
Changed by heat, pressure and chemical process usually while deep within the earth.
10
A clastic sedimentary rock that is made up of clay-size weathering debris.
13
A substance composed of 1 kind of atom.
14
Foliated metamorphic rock that has banded appearance and is made up of granular mineral grains.
16
A hard, tough chemical or biochemical sedimentary rock that breaks with a conchoidal.
18
A naturally occurring inorganic solid with a crystal structure and a definite chemical composition.