Science 1
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
1.
b
i
o
Characteristic life processes and phenomena of living organisms
2.
c
l
Tiniest unit of living things
3.
a
t
The smallest component of an element having the chemical properties of the element (plural)
4.
m
i
r
a
Solid homogeneous inorganic substances occurring in nature having a definite chemical composition (plural)
5.
c
e
i
s
The science of matter
7.
l
f
s
n
e
Any of the branches of natural ___ dealing with the structure and behavior of living organisms
8.
m
t
o
The use of movements to communicate familiar or prearranged signals
9.
c
h
c
l
c
n
g
Any process determined by the atomic and molecular composition and structure of the substances
10.
l
i
d
State of matter that flows like water
11.
s
l
State of matter with a fixed shape
12.
e
l
c
o
An elementary particle with negative charge
13.
p
t
s
A stable particle with positive charge equal to the negative charge of an electron (plural)
15.
f
c
h
i
A community of organisms where each member is eaten in turn by another member
17.
d
p
o
An organism or cell having the normal amount of DNA per cell
18.
p
h
o
o
t
h
s
How plants make food from sunlight
20.
m
i
o
Cell division in which the nucleus divides into nuclei containing the same number of chromosomes
21.
c
r
The central part of the Earth
22.
c
t
Hard outer layer of the Earth or of bread
23.
m
a
e
Shelf that projects from wall above fireplace
24.
a
p
h
e
e
Layer of air around the Earth