Physical Science Chapter 1 Practice Test
Physical Science Chapter 1 Practice Test
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 1. Which of the following is not a branch of biology?
|a. |geology |c. |zoology |
|b. |ecology |d. |medicine |
____ 2. Technology can best be defined as
|a. |science that uses computers. |c. |applied science. |
|b. |new inventions. |d. |the use of lenses and microscopes. |
____ 3. A scientific model is a
|a. |representation of a real event or object. |
|b. |small building used to conduct experiments. |
|c. |mathematical statement of a theory. |
|d. |new theory that takes the place of an incorrect one. |
____ 4. Scientists use computer models to study complicated events and to
|a. |perform experiments. |c. |change theories and laws. |
|b. |state theories. |d. |make predictions. |
____ 5. A series of logical steps that is followed in order to solve a problem is called the
|a. |experimental process. |c. |scientific method. |
|b. |scientific theory. |d. |model method. |
____ 6. Maria is 123 centimeters tall. Her height in meters is
|a. |0123 m. |c. |1.23 m. |
|b. |0.123 m. |d. |12.3 m. |
____ 7. A loaf of bread weighs 1362 g. The weight in kilograms is
|a. |1.362 kg. |c. |01362 kg. |
|b. |1362 kg. |d. |001362 kg. |
____ 8. The decimal equivalent of 10−2 is
|a. |100. |c. |0.1. |
|b. |10. |d. |0.01. |
____ 9. What is 78,900,000,000 expressed in scientific notation?
|a. |789 × 109 |c. |7.89 × 1010 |
|b. |7.89 × 109 |d. |7.89 × 1011 |
____ 10. The speed of light is approximately 3 × 108 m/s. How would this be written in conventional notation?
|a. |300,000 [pic] |c. |30,000,000 [pic] |
|b. |3,000,000 [pic] |d. |300,000,000 [pic] |
____ 11. What is the area of a room that is 4 × 102 cm long and 2 × 103 cm wide?
|a. |6 × 103 cm2 |c. |8 × 105 cm2 |
|b. |8 × 103 cm2 |d. |8 × 107 cm2 |
____ 12. A precise measurement is one that
|a. |contains the correct number of significant figures. |
|b. |contains at least three significant figures. |
|c. |is close to the true value. |
|d. |is as exact as possible. |
| | |
____ 13. A measurement that is accurate is one that
|a. |is as exact as possible. |c. |contains at least four significant figures. |
|b. |is close to the true value. |d. |contains five decimal places. |
Physical Science Chapter 1 Practice Test
Answer Section
MULTIPLE CHOICE
1. ANS: A DIF: 1 REF: 1 OBJ: 1
2. ANS: C DIF: 1 REF: 1 OBJ: 2
3. ANS: A DIF: 1 REF: 1 OBJ: 4
4. ANS: D DIF: 1 REF: 1 OBJ: 4
5. ANS: C DIF: 1 REF: 2 OBJ: 1
6. ANS: C DIF: 2 REF: 2 OBJ: 5
7. ANS: A DIF: 2 REF: 2 OBJ: 5
8. ANS: D DIF: 2 REF: 3 OBJ: 2
9. ANS: C DIF: 2 REF: 3 OBJ: 2
10. ANS: D DIF: 2 REF: 3 OBJ: 2
11. ANS: C DIF: 2 REF: 3 OBJ: 2
12. ANS: D DIF: 1 REF: 3 OBJ: 4
13. ANS: B DIF: 1 REF: 3 OBJ: 4
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