7-4+Basics+of+Chemistry

=1. What is anything that occupies space and has weight? (Matter)= =2. What is one example of something that is not matter?(Light)= =3. What are two physical properties of an apple?(color& taste)= =4. What is a physical properties of deodorant?(Odor)= =5. What phase of matter does a solid firework become when it explodes?(Colorful Gas)= =6. What are the four physical states of matter?(Soild,Liquid,Gas,Plasma)= =7. In speaking about solids, what two things are definite?(Volume&&Shape)= =8. In speaking about liquids, what is the one thing that is definite?(volume)= =9. In speaking about gases, is there anything definite?(NO)= =10. Can a gas have volume and weight?(No)= =11. In speaking about plasma, is there anything definite?(no)= =12. What do we call a substance with particles that are all the same?(element)= =13. What phase of matter is glass considered to be?(thick liquid)= =14. What is it called when two or more elements chemically combined to form a new substance?(compound)= =15. What is the chemical formula for water?(h20)= =16. Is water an element or a compound?(compound)= =17. Can a compound be separated by simple physical methods?(no)= =18. Do mixtures have a definite composition?(no)= =19. How is sand separated from water?( A strainer)= =20. How is iron separated from sand?(A magnet)= =21. What is the boiling temperature of water?(A 100 degrees centigrade)= =22. What is the freezing temperature of water?(0 degrees centigrade)= =23. What type of change is freezing, melting, or boiling?(Physical change)= =24. What two things are needed to find density?(Mass & Volume)= =25. Which has more density, wood or iron?(Iron)= =26. In which phase are the molecules the closest together?`(soild)= =27. In which phase are the molecules the farthest apart?(gases)= =28. What happens to most objects when heated?(Thermal Expansion)=