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1. In chemistry, most energy is in the form of: A. B. C. D. heat fire matter both A and B 2. Elements can be identified because each type has a unique: A. B. C. D. weight color smell taste 3. Which type of change does NOT create a new substance? A. physical B. chemical 4. The ability to do work or cause change is: A. B. C. D. work energy heat fire 5. A combination of matter that forms a new substance and cannot be separated again is a: A. B. C. D. compound mixture element atom 6. Which of the following is an example of a physical change? A. B. C. D. paper burning bubbling/fizzing tearing paper color change 7. Which of the following could change when a new compound is formed? A. B. C. D. color taste smell all of the above 8. Salt (NaCl) is an example of what type of matter? A. B. C. D. compound mixture element all of the above 9. What type of matter is a bowl of Lucky Charms cereal? A. element B. mixture C. compound 10. Which of the following is NOT made of CHON? A. B. C. D. cow vegetables metal people 11. Which of the following is an example of a chemical change? A. B. C. D. breaking chocolate stretching silly putty crumpling paper burning wood 12. A combination of matter that can be separated back apart is a: A. B. C. D. compound mixture element atom 13. What type of matter is gold? A. B. C. D. compound mixture element all of the above 14. People, food, animals, and many other things on Earth are made of what elements? A. Gold and Silver B. Sodium and Chlorine C. Carbon, Hydrogen, Oxygen, and Nitrogen D. None of the above 15. A mailbox rusting is an example of what type of change? A. physical B. chemical 16.Anything that has _____ and takes _______ is called matter. A. B. C. D. shape, space mass, space space, volume color, mass 17. The smallest unit of matter is: A. B. C. D. an element an atom matter gold 18. A snowman melting is an example of what type of change? A. physical B. chemical 19. The material that everything on Earth is made of is called: A. B. C. D. weight volume matter mass 20. What type of matter is vegetable oil? A. element B. mixture C. compound 21.____________ is the study of matter and the changes matter can undergo. a. Physics b. Metrics c. Chemistry d. All of the above 22. Which of the following is NOT and example of a CHEMICAL CHANGE? a. Compounds may be broken down into elements. b. Elements may combine to form compounds. c. Compounds may change from one state of matter to another. d. Compounds may change into other compounds. 23. Describe 2 differences between COMPOUNDS and MIXTURES. 24. Name 3 signs of a CHEMICAL CHANGE. 25. Name 3 signs of a PHYSICAL CHANGE.