Science Crossword Puzzle

1

3

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10

2

A

B

C

D

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F

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H

I

J

K

L

M

N

O

P

Q

R

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X

Y

Clues

Across:
1. A subatomic particle with a negative charge
3. A measure of the acidity or basicity of a solution
4. The study of plants
6. A measure of the amount of matter in an object
8. The smallest unit of an element that retains its properties
10. The process by which plants make their food

Down:
2. A substance that speeds up a chemical reaction
5. The study of living organisms and their interactions with each other and the environment
7. A change in the genetic material of an organism
9. A substance composed of two or more elements that are chemically combined