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Name _____________________________

Date ___________________

Changes in Matter Complete the puzzle.

	9						6			7
					5	2		3
				1
			4
												12
	10	8
				13
			11

conservation	chemical	reactivity	digestion
heat	original	physical	combustibility
reactants	energy	chemical change	same
chemical changes	physical change

 

down 1. The law of ____ of energy states that energy can never be destroyed or created.	down 2. The ability of a substance to be a part of a chemical change.
down 3. When ____ takes place in an animal many chemical changes occur.	down 4. If matter has changed but you can change the matter back to its ____ form, then the change that took place was a physical change.
down 5. The melting of an ice cube is an example of a ____ change.	down 6. The ability of a substance to be burned.
down 7. As a result of the law of conservation, during a chemical change the mass of the products is equal to the mass of the ____.	down 8. If a change releases this, it is more than likely a chemical change.
down 9. ____ take place in plants during the food-making process (photosynthesis) by which plants use light, water, and carbon dioxide and release oxygen.	across 1. An old fruit that begins to go bad is an example of a ____ change.
across 10. When a candle is lit, it undergoes a chemical change and as a result it releases both light and ____.	across 11. A change in which new or different kinds of matter are formed.
across 12. After a physical or chemical change, the total amount of matter is the ____ as it was before.	across 13. The change in which no new kinds of matter are formed, but in which the size, shape, or state of the matter may change.

 

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