Chapter 1 Review                                                                   Name ____________________________________

                                                                                                Period _______ Date ________________________

 

1. Match the project to the appropriate field of chemistry (inorganic chemistry, organic chemistry, biochemistry, analytical chemistry, or physical chemistry).

a. Determine the composition of a moon rock sample.                                   ________________________

b. Do research on making a new medicine to treat high blood pressure.        ________________________

c. Investigate ways to regulate the rate of gasoline burning in an
                                                                                    automobile engine.      ________________________

d. Develop a plastic that can be decomposed by bacteria.                             ________________________

e. Improve the method for extracting iron from iron ore.                               ________________________

2. Classify the following examples as examples of pure chemistry or applied chemistry.

a. developing a shampoo to be used with dry or damaged hair                     ________________________

b. determining the conditions required for materials to burn                         ________________________

c. figuring out the general structure of materials such as cotton and silk       ________________________

d. designing a large-scale method for producing nylon                                  ________________________

3. One cold morning your car does not start. Make two hypotheses about why the car will not start.

 

 

 

4. Answer the following in standard exponential form.

 

 

 

 

 

 

 

5.  a. Propose a hypothesis for the following observation. Moisture forms on the outside of a cold glass.

 

 

 

 

b. Describe an experiment that you could do to test your hypothesis.

 

 

 

 

6. Discuss the statement “No theory is written in stone.”

 

 

 

7. Apples are selling for $1.50 a pound. Each apple weighs, on average, 0.50 pounds. You have $6.00. How many apples can you purchase? (Show your work)


Match the description with the correct word


_____ 8. the pursuit of chemical knowledge for its own sake

_____ 9. the means by which a society provides its members with those things needed and desired

_____ 10. the science concerned with the composition of matter and the changes that matter undergoes

_____ 11. field of chemistry that is concerned with the composition of matter

_____ 12. describe an object that can be seen only under magnification

_____ 13. the study of essentially all chemicals containing carbon

_____ 14. field of study that is concerned with the chemistry of living organisms

_____ 15. a logical approach to the solution of scientific problems

_____ 16. applies science to the production of biological products or processes

_____ 17. information obtained directly by using your senses

_____ 18. a method of testing a hypothesis

_____ 19. variable that one changes during an experiment

_____ 20. a proposed explanation for what is observed

_____ 21. a well-tested explanation for a broad set of observations

_____ 22. describes many observations but does not explain them


A.    chemistry

B.     organic chemistry

C.     pure chemistry

D.    analytical chemistry

E.     theory

F.      biochemistry

G.    observation

H.    hypothesis

I.       scientific method

J.       experiment

K.    scientific law

L.     technology

M.   microscopic

N.    biotechnology

O.    manipulated variable


 

Answer the following questions in the space provided.

23. Classify each step in the following application of the scientific method as an observation, a hypothesis, an experiment, or a scientific law.

a. An iron ball falls to the ground when you drop it.                                     ________________________

b. Earth is a giant magnet, which attracts iron objects.                                  ________________________

c. An iron ball and a piece of wood are dropped from the same height.        ________________________

d. The iron ball and wood fall at the same rate.                                             ________________________

e. Gravity attracts every object in the universe to every other object.            ________________________

 

24. What level of thinking is required for questions 8-22? Explain

 

 

 

25. What level of thinking is required for question 23? Explain.

 

 

 

 

Write the answers to the Standardized Test Prep Questions (pg. 37)

____ 1.                        8. _________                          11. ___ ___ ________            14. ___ ___ ________

____ 2.                        9. _________                          12. ___ ___ ________            15. ___ ___ ________

____ 3.                        10. ________                          13. ___ ___ ________