Name _

Matter, Energy,and Change

Class Date

Chapter 1Test

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DIRECTIONS: Write on the line at the right of each statement the letter preceding the word or expression that best

completes the statement.

1. Chemistry is (a) a biological science; (b) a physical science; (c) concerned mostly with livingthings; (d) the study of electricity.

2. A scientist who does research on developing strong, temperature-resistant materials for theexterior of a supersonic aircraft would most likely be classified as a (a) biologist; (b) chemist;(c) geologist; (d) physicist.

3. The branch of chemistry that includes the study of materials and processes that occur in livingthings is (a) organic chemistry; (b) physical chemistry; (c) analytical chemistry;(d) biochemistry.

4. The reason for organizing, analyzing, and classifying data is (a) so that computers can be used;(b) to prove a law; (c) to find relationships among the data; (d) to separate qualitative andquantitative data.

5. As a solid object is moved to higher altitudes, the property that would change most is theobject's (a) mass; (b) weight; (c) volume; (d) density.

6. Chemical energy can be considered to be a type of (a) kinetic energy; (b) potential energy;(c) nuclear energy; (d) radiant energy.

7. Determining the mass of a sample of matter before and after a change is a way of testing(a) E = mc2; (b) the law of conservation of mass; (c) the law of conservation of energy;(d) the law of conservation of mass and energy.

8. The state of matter in which a material is most likely to resist compression is (a) solid state;

(b) liquid state; (c) gaseous state; (d) vapor state.

9. An example of an extensive property is (a) mass; (b) density; (c) color; (d) boiling point.

10. Whenever chemical reactions occur, matter is changed from one form into another, and(a) there is a release of heat; (b) there is light produced; (c) there is a loss of mass; (d) there isa change in energy.

11. All of the following are exothermic reactions EXCEPT (a) production of lime; (b) burninggasoline; (c) explosion of dynamite; (d) discharging a photoflash bulb.

12. A heterogeneous mixture is (a) salt; (b) soil; (c) coffee; (d) nitrogen.

13. An example of a compound is (a) aluminum; (b) sugar; (c) uranium; (d) oxygen.

14. An example of homogeneous matter is (a) water; (b) milk; (c) a nut brownie; (d) fruit yogurt.

15. Every pure chemical compound consists of two or more elements (a) combined chemically;(b) which can be separated by a physical change; (c) which cannot be separated; (d) combinedin any proportion.

DIRECTIONS: Complete the following statements, forming accurate sentences.

16. The energy of an object in motion is called . 16

17. An endothermic process absorbs . 17

18. Matter that has identical properties throughout is called . 18

19. The vertical column of elements in the Periodic Table is called a(n) . 19

Matter, Energy, and ChangeHRW material copyrighted under notice appearing earlier in this work.

Chapter 1 1

DIRECTIONS: In the parentheses at the right of each word or expression in the first column, write the letter of theexpression in the second column that is most closely related.

20. E = mc2

21. mass

22. energy

23. weight

24. kinetic energy

25. solid state

26. volume

27. burning wood

28. inertia

29. liquid state

a. law of definite composition

b. resistance to a motion

c. stored energy

d. chemical change

e. quantity of matter

f. ability to cause change

g. states energy and matter are related

h. measure of the earth's attraction for matter

i. energy of motion

j. physical property

k. has volume, no shape

1. particles closely packed

DIRECTIONS: Complete the following table by filling in the spaces with the correct chemical symbol or elementname.

38. inorganic chemistry _

39. biochemistry _

DIRECTIONS: Define the following branches of chemistry.

35. organic chemistry _

36. physical chemistry _

37. analytical chemistry _

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31323334"--/

35

36373839

SymbolName

Sr CI cobaltsiliconsodium30.

31.

32.

33.

34.

40. Discuss the differences between metals, metalloids, and nonmetals, and give examples of their uses in

everyday life. _

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2 Chapter 1 Matter, Energy, and ChangeHRW material copyrighted under notice appearing earlier in this work.