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"Physical & Chemical Changes"

Across
A Firefly's light is a ________ change.
The particles of a _______ are fixed.
The original properties of water do not change if it is melted, frozen, or heated.
Particles of a _____ move past one another.
One way matter can change is through ___________.
In a chemical change, the _____ has properties different from the matter you started with.
Particles of a _____ are very far apart.
Type of physical change is _____.
Down
A change in matter itself. You start with one kind of matter and end with another.
Chemical changes can form ______.
Chemical changes involve ______.
The _____ of an object will remain the same no matter what state it is in.