1. A)Yes B)No C)IDK Are you in chemistry now?

2. The study of the composition and structure of matter is the domain of which field of science? A.Physics B.Chemistry C.Biology D.Geology

3. Chemistry is chiefly concerned with the study of which of the following types of changes in substances? A.Changes in composition B.Changes in shape C.Changes in volume D.Changes in amount

4. A biochemist might: A)Determine the amount of energy released when a fossil fuel burns B)Design a method to speed up the production of a metal from its ore C)Identify the genes that control the production of insulin D)Determine how much table salt will dissolve in a liter of water

5. The study of substances that do not contain carbon. A.Inorganic chemistry B.Organic chemistry C.Biochemistry D.Physical chemistry

6. Which of the following best describes an example of pure chemistry A)Developing a cure for cancer B)Creating a new shampoo for Suave C)Studying chemicals that contain nitrogen

7. An analytical chemist would be interested in: A)Determining the energy transfer when water boils B)Manufacturing nylon, which contains carbon C)Finding out how much nitrogen is in a sample of air D)Studying the process of photosynthesis in plants

8. Matter _____. A.Is anything that has mass B.Is a solid, liquid, or gas C.Takes up space D.All of the above

9. All of the following are physical properties of matter EXCEPT _____. A.Mass B.Melting point C.Color D.Explosiveness

10. Which of the following CANNOT be classified as a substance? A.Aluminum B.Steel C.Salt D.Sugar

11. Physical properties of a substance include _____. A.Color and odor B.Melting points and boiling points C.Density and hardness D.All of the above

12. All of the following changes to a metal are physical changes EXCEPT _____. A.Bending B.Rusting C.Melting D.Cutting

13. Which of the following is a homogeneous mixture? A.Alcohol and water B.Dirt and water C.Oil and water

14. Matter that is uniform throughout and can be separated into two or more pure substances only by a chemical change is a(n) _____. A.Element B.Mixture C.Compound D.Solution

15. Which of the following is NOT an example of matter? A.Water vapor B.Smoke C.Rocks D.Energy

16. A ______________ is a kind of matter that has a uniform and definite composition A.Heterogeneous mixture B.Solution C.Substance D.Homogeneous mixture

17. Process in which a liquid is boiled to produce a vapor and then is condensed again into a liquid to separate components. A.Chromatography B.Filtration C.Chemical change D.Distillation

18. Best method used to separate an insoluble solid and a liquid. A.Distillation B.Evaporation C.Filtration D.Chromatography

19. Properties that depend on the amount of matter A.Extensive B.Intensive

20. Malleability is the ability to A)Be hammered into thin sheets B)Be drawn into fine wire C)Conduct an electric current D)Flow

21. Which of the following is an example of an extensive physical property? A)Ductility B)Mass C)Melting point D)Conductivity

22. Which phrase best describes a pumpkin? A.Homogeneous mixture B.Homogeneous compound C.Heterogeneous mixture D.Heterogeneous compound

23. Also be able to: Calculate Rf values and compare to Food and Drug Values Understand how chromatography works Know all vocab words Apply the scientific method, identify variables in an experiment, graph data