My Crossword Maker Logo
Powered by BrightSprout
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Science Word Search

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Across
2
have a limited amount, and natural processes cannot replace them in a human lifetime.
5
Able to be replaced or regenerated in a short period of time
7
The whole mass of air surrounding the Earth made up of 78% nitrogen, 21% oxygen, and other trace gases.
9
Is 2 or more different atoms bonded together
10
Is anything that takes up space
11
Negatively charged particles
13
The small particles within the atom
14
Do not have an electrical charge
16
A substance made of one kind of atom
18
Positively charges particles
Down
1
all the members of the one species living in a particular area at a particular time
3
The area surrounding the nucleus
4
When 2 or more atoms bind together
6
Is the smallest particle of an element
7
Is the average mass of all of the protons, and neutrons
8
all of the interacting biotic and abiotic factors in an area and the interactions among them
12
The sum of all living matter on Earth
14
The center of the atom
15
nonliving things in an ecosystem
17
All living or once living things in an ecosystem