Year 7 review

Name: ______________________   Date: ____________

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

1.
p r t i e
A tiny piece of anything
2.
s o d
State of matter with a fixed shape
3.
l u i d
State of matter that flows like water
4.
p o t o s n s i s
How plants make food from sunlight
5.
d i s t l l a t
The process of purifying a liquid by boiling it and condensing its vapors
6.
b o o
Red liquid pumped around the body by the heart
7.
i n i a t o
A number or ratio derived from a series of observed facts
8.
a c i
Any of various water-soluble compounds having a sour taste and capable of turning litmus red
9.
a a l i
Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid
10.
e v p a t i n
The process of becoming a vapor
11.
c d n s a t i n
The process of changing from a gaseous to a liquid or solid state
12.
b o l i g
The application of heat to change something from a liquid to a gas
13.
g a p
A visual representation of the relations between certain quantities, represented as points
14.
m e o d
A way of doing something, especially a systematic way
15.
e u i m n t
An instrumentality needed for an undertaking or to perform a service
16.
f o o d e
A community of organisms where there are several interrelated ___ chains
17.
f o c h a i
A community of organisms where each member is eaten in turn by another member
18.
p o u e r
Someone who manufactures something
19.
e e m e n
An abstract part of something
20.
n i t o n
A common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas
21.
o x y g
Gas in the air that we need to breathe
22.
c a r b n i o x d
A heavy odorless colorless gas formed during respiration and by the decomposition of organic
23.
c h r i e
A common nonmetallic element belonging to the halogens
24.
m x t u e
A substance consisting of two or more substances mixed together