Mine
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
3.
T
R
A
C
T
The process of obtaining something from a mixture or compound by chemical or physical or mechanical
4.
O
O
N
O
I
D
E
An odorless very poisonous gas that is a product of incomplete combustion of ___
5.
L
O
O
N
A violent release of energy caused by a chemical or nuclear reaction
7.
R
L
A tool with a sharp point and cutting edges for making holes in hard materials
8.
E
O
S
V
A chemical substance that undergoes a rapid chemical change on being heated or struck
9.
E
L
E
Armor plate that protects the head
10.
L
P
A piece of furniture holding one or more electric light bulbs
11.
N
E
Laborer who works in a ___
12.
M
I
G
The act of extracting ores or coal etc from the earth
13.
R
A
L
Work clothing consisting of denim trousers
14.
Y
E
N
Gas in the air that we need to breathe
15.
D
E
A playing card in the major suit that has one or more black figures on it
16.
T
N
N
A passageway through or under something, usually underground
17.
U
N
D
R
O
A secret group organized to overthrow a government or occupation force
18.
E
N
I
T
I
A mechanical system in a building that provides fresh air
19.
A
T
E
P
O
Any fabric impervious to ___