Please help me with this answer :- Across
1.These small units make up all forms of matter including living and nonliving things
4.Toasted bread or _ milk are considered chemical changes.
7. A general example of physical change involving sugar and water.
9. A mixture that does look or taste the same throughout.
10. A snow globe is a
13. These are the purest forms of matter.
14. The only true type of homogenous mixture we learnt about.

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2. Colloids have _-sized particles.
3. The creation of a compound is a _ change.
4. Melting ice is an example of physical change that is generally known as a change in _.
5. We are the 'lightweights' of an atom.
6. A chemical combination of matter is used in the formation of a _.
8. Physical changes are usually _ so you can get back what you physically combined together.
11. An equation showing physical change would be COOH + OH = COOH + _.
12. The number at the bottom representing an element is known as atomic _.