Menu Print NAME ______________________________________ DATE _______________ CLASS ____________________ HOLT PHYSICS Chapter 1 Mixed Review The Science of Physics Power Prefix 10–18 atto- 10 –15 10 –12 10 –9 10–6 10 –3 10 –2 Abbreviation femtopico- a f p Power Prefix 10–1 deci- d 10 1 deka- da 10 3 kilo- k 6 mega- M nano- n 10 micro- m 109 millicenti- m c Abbreviation giga- G 10 12 tera- T 10 15 peta- P 10 18 exa- E 1. Convert the following measurements to the units specified. a. 2.5 days to seconds b. 35 km to millimeters c. 43 cm to kilometers e. 671 kg to micrograms f. 8.76 × 107 mW to gigawatts g. 1.753 × 10–13 s to picoseconds 2. According to the rules given in Chapter 1 of your textbook, how many significant figures are there in the following measurements? a. 0.0845 kg b. 37.00 h c. 8 630 000.000 mi d. 0.000 000 0217 g e. 750 in. f. 0.5003 s 4 Holt Physics Section Review Worksheets HRW material copyrighted under notice appearing earlier in this book. d. 22 mg to kilograms Menu Print NAME ______________________________________ DATE _______________ CLASS ____________________ Chapter HOLT PHYSICS 1 Mixed Review continued 3. Without calculating the result, find the number of significant figures in the following products and quotients. a. 0.005032 × 4.0009 b. 0.0080750 ÷ 10.037 c. (3.52 × 10–11) × (7.823 × 1011) 4. Calculate a + b, a − b, a × b, and a ÷ b with the correct number of significant figures using the following numbers. a. a = 0.005 078; b = 1.0003 a+b= a−b= a×b= a÷b= b. a = 4.231 19 × 107; b = 3.654 × 106 a+b= a−b= a×b= a÷b= answer with the correct number of significant figures. 6. The table below contains measurements of the temperature and volume of an air balloon as it heats up. In the grid at right, sketch a graph that best describes these data. Temperature (°C) Volume (m3) 0.0800 0.0750 Volume (m3) HRW material copyrighted under notice appearing earlier in this book. 5. Calculate the area of a carpet 6.35 m long and 2.50 m wide. Express your 0.0700 0.0650 2 0.0502 27 0.0553 52 0.0598 0.0550 77 0.0646 0.0500 102 0.0704 127 0.0748 152 0.0796 0.0600 0 25 50 75 100 125 150 175 Temperature (°C) Chapter 1 5 Menu Print The Science of Physics Chapter 1 Section 1-1, p. 1 2. a. No. Scientist do not vote about their knowledge. They use evidence to support or disprove scientific arguments 1. a. mechanics (laws of motion) b. vibrations and waves (sound or acoustics) c. optics b. No. Speed of light is determined in nature. We can only measure it. d. thermodynamics c. Yes, by sharing their scientific arguments. Science is a body of knowledge about the universe. Scientists around the world work together to make it grow. e. electricity f. nuclear physics Section 1-2, p. 2 1. 1018 c. 5.3657 × 10−5 s b. 452 nm 2. 109 d. 5.32 × 10−3 g c. 53.236 kV 7 10 e. 8.8900 × 10 Hz 3. 10 12 4. a. 3.582 × 10 bytes −7 b. 9.2331 × 10 W −9 f. 8.3 × 10 m d. 4.62 ms 6. 4.2947842; 4.29478; 4.295; 4.3 5. a. 36.582472 Mgrams Section 1-3, p. 3 1. a. 6.0 × 108 Copyright © by Holt, Rinehart and Winston. All rights reserved. b. 1.5 × 10 b. 6 × 105 −9 2 c. 8 × 10 c. 1.5 × 10−3 d. 7 × 10−5 d. 6.0 × 103 e. 7 × 106 e. 1.5 × 103 f. 7 × 10−4 f. 6.0 × 10−7 4. a. about 10 cm by 25 cm b. Check student responses, which should indicate that volume = (width)2 × (height). c. Check student responses for consistency with a and b. III 3. a. 104 b. 10−1 2. a. 4 × 105 Chapter 1 Mixed Review 1. a. 2.2 × 105 s b. 4 4. a. 1.0054; −0.9952; 5.080 × 10−3; 5.076 × 10−3 b. 3.5 × 107 mm c. 10 c. 4.3 × 10−4 km d. 3 d. 2.2 × 10−5 kg e. 2 5. 15.9 m2 f. 4 6. The graph should be a straight line. 11 e. 6.71 × 10 mg −5 f. 8.76 × 10 GW 3. a. 4 g. 1.753 × 10−1 ps b. 5 2. a. 3 b. 4.597 × 107; 3.866 × 107; 1.546 × 1014; 11.58 c. 3 Section Three—Section Review Worksheet Answers III–1