SUBJECT: GENERAL PHYSICS

LESSON: MEASUREMENT: UNITS, CONVERSION, AND SCIENTIFIC NOTATION

PRACTICE 1

PRACTICE EXERCISE 1 (Measurement) Direction: Select the unit of measurement that can be used to describe the given material or event. Write your answer on the separate sheet of paper. 1. Average height of a human (second. centimeter. grams) 2. Duration in charging cellphones (hours. meter. centigrams) 3. Medicinal dosage (kilogram. gram. milligram) 4. Information response through the use of intemet in (hours. minutes. seconds) your locality 5. Thickness of your 1" Quarter module (meter. centimeter. feet) 6. Weight of a new-born child (kilogram. minutes. centimeter) 7. Standard weight of Lazada parcel (undela. gram. Kelvin) 8. Time travel from San Agustin Port to Romblon Port (hours. Celsius. meter) 9. Bridge capacity in Tables provincial road (tons. kilogram. gram) 10. Length of time to nish answering your (hours. gram. meter) Physics Module PRACTICE EXERCISE 2 (Conversion Factor) Direction: Use the conversion factor given to solve the following problems. Write your answer with complete solution on the answer sheet provided. 1. How many inches are there in 5 meters? 1 meter = 39.4 inches 2. 8 000 000 milligrams is equivalent to how many kilograms? Express your answer in scientific notation. 1 kilogram = 1 000 grams 1 gram = 1 000 milligramsPRACTICE EXERCISE 3 (Significant Figures) A. Direction: Determine the number of significant figures in each of the following. 1. 800 000 4. 54.000 2. 986 5. 4 006 3. 0.000034 (Scientific Notation) B. Direction: Complete the table. STANDARD NOTATION EXPONENTIAL NOTATION 1.) 8.23 x 10-2 934 000 000 000 2.) 3.) 6.1 x 105 4.) 2.15 x 104 6 000 5.)