Reactions
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
1.
r
e
t
n
A process in which one or more substances are changed into others
2.
r
e
n
t
A chemical substance that is present at the start of a chemical ___
3.
p
r
d
Commodities offered for sale
4.
e
m
n
An abstract part of something
5.
c
o
p
n
A substance formed by chemical union of two or more elements or ingredients in definite proportion
6.
s
n
h
s
The process of producing a chemical compound
7.
d
m
o
s
t
i
The analysis of a vector field
8.
o
d
a
t
The process of oxidizing
9.
c
b
s
o
n
A process in which a substance reacts with oxygen to give heat and light
10.
o
x
g
Gas in the air that we need to breathe
11.
h
t
Energy that makes things warm
12.
l
t
What lets us see; the opposite of dark
13.
f
s
A substance that can be consumed to produce energy (plural)
14.
e
g
y
The power to do work or make things move
15.
c
r
o
i
A state of deterioration in metals caused by oxidation or chemical action
16.
r
t
i
The formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence
17.
w
e
Clear liquid we drink that falls as rain
18.
r
e
a
e
Participating readily in ___
19.
e
o
t
r
m
Occurring or formed with absorption of heat
20.
e
t
h
r
i
Occurring or formed with the liberation of heat
21.
s
n
The particular auditory effect produced by a given cause
22.
g
e
e
s
e
A building with glass walls and roof
23.
p
o
l
t
Undesirable state of the natural environment being contaminated with harmful substances as
24.
a
i
Any of various water-soluble compounds having a sour taste and capable of turning litmus red