Limestone

Name: ______________________   Date: ____________

Write the missing letters on the lines to finish each word.

1.
e t e
A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
2.
c c
3.
e c s
4.
h l
Rising current of warm air
5.
o s
The remains of a plant or animal that existed in a past geological age and that has been excavated (plural)
6.
p o s t
The analysis of a vector field
7.
n a y
Produced by the action of water
8.
s
A brittle transparent solid with irregular atomic structure
9.
n s
An abstract part of something (plural)
10.
e n
11.
t
The smallest component of an element having the chemical properties of the element
12.
b g
A structure that has a roof and walls and stands more or less permanently in one place
13.
a c
A white metallic element that burns with a brilliant light
14.
i l e
A white crystalline oxide used in the production of calcium hydroxide
15.
a b
An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous ___
16.
a b o e
A heavy odorless colorless gas formed during respiration and by the decomposition of organic
17.
g e
Gas in the air that we need to breathe
18.
m n
A substance formed by chemical union of two or more elements or ingredients in definite proportion
19.
r l