Name ____________________ Date ___________________________

Science Spelling Worksheet

Directions: Fill in the missing letters.

Number Word With Blank(s) Definition
1 __ __ a __ g e The amount of electricity in an object that is caused by an excess or deficiency of electrons.
2 e __ __ __ t r o __ A particle with a negative charge.
3 __ e l __ __ i __ y The rate at which an object's position changes.
4 __ o __ __ __ u l e A small piece of a substance that is made up of at least two atoms.
5 __ o __ __ e n t A substance that dissolves other substances.
6 s y m __ __ __ s i __ The cooperative relationship of two different species.
7 m a t __ __ __ A substance that has mass and makes up all objects.
8 __ u c __ e u __ The center of an atom.
9 s u __ __ t __ n __ e The physical matter and existence of an object.
10 c __ l __ The smallest unit of living matter that can function by itself.
11 __ __ o m A tiny particle of matter that is the smallest piece of an element.
12 r e __ __ __ t a n __ __ A force that opposes motion.
13 p r __ __ o __ A particle with a positive charge.
14 __ __ g __ __ i s m A living thing that is composed of one or more cells.
15 h o __ e o __ __ a __ __ s The ability of an organism to maintain a stable equilibrium.

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