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**The Basics of Chemistry Video Questions** <---Previous Assignment - Next Assignment--->media type="custom" key="6581801" **__Time Length__** **__Instructions__** **__Video__** If a bar pops up on this screen click it and then run the add-on. Click play. Right click the video, then zoom **full screen**. Press and hold the forward button to fast forward.
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 * // Answer the questions on your wiki on a page titled "7-4 Basics of Chemistry" //
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**__Worksheet__** 1. What is anything that occupies space and has weight? 2. What is one example of something that is not matter? 3. What are two physical properties of an apple? 4. What is a physical properties of deodorant? 5. What phase of matter does a solid firework become when it explodes? 6. What are the four physical states of matter? 7. In speaking about solids, what two things are definite? 8. In speaking about liquids, what is the one thing that is definite? 9. In speaking about gases, is there anything definite? 10. Can a gas have volume and weight? 11. In speaking about plasma, is there anything definite? 12. What do we call a substance with particles that are all the same? 13. What phase of matter is glass considered to be? 14. What is it called when two or more elements chemically combined to form a new substance? 15. What is the chemical formula for water? 16. Is water an element or a compound? 17. Can a compound be separated by simple physical methods? 18. Do mixtures have a definite composition? 19. How is sand separated from water? 20. How is iron separated from sand? 21. What is the boiling temperature of water? 22. What is the freezing temperature of water? 23. What type of change is freezing, melting, or boiling? 24. What two things are needed to find density? 25. Which has more density, wood or iron? 26. In which phase are the molecules the closest together?` 27. In which phase are the molecules the farthest apart? 28. What happens to most objects when heated?