Name __________KEY_______________ Part I: Fill in the table. Physical Science- Chapter 1 Measurements Review MEASUREMENT QUALITATIVE IS A VERBAL DESCRIPTION OF A SUBSTANCE QUANTITATIVE A MEASUREMENT THAT INCLUDES A NUMBER Quantity Definition Unit Equipment Base/ Derived Unit Volume the amount of space an object takes up L mL = cm3 Beaker, graduated cylinder B Mass The quantity of matter in an object g balance B thermometer B Temperature Measure of the average kinetic energy (vibration of molecules) Length Distance between two points oC, m, cm, mm Meter stick or metric ruler B Time Duration of an event sec stopwatch B Energy The ability to do work or produce heat calorimeter B Density the ratio of mass to volume (m/ v) Joules, calorie g/ml or g/cm3 1 K Graduated D cylinder, balance, ruler Examples: Round Hot Color Shape Size (S, L, M) Part II: Metric Units 2. Fill in the following chart. prefix Kilo hecto deca “Unit” deci centi milli Unit k h da Meter, grams, Liters d c m mnemonic KING HENRY DRINKS Unique DARK CHOCOLATE MILK 3. Convert the following: a. 65.20 cm = ____.6520___ m d. 125.8 dg = ___.01258___kg b. 0.0573 Mm = _57,300,000 mm e. 64.9 L = ____.0649____hL c. 49.68 cg = ___.4968___ g f. 8.2 dam = _____.082________km Part III: Density Problems Problem Solving: For the following problems, you must Show your work and include all units. 𝑀𝑎𝑠𝑠 Density = M Density Equation 𝑉𝑜𝑙𝑢𝑚𝑒 : D V 1. An object has a mass of 35 grams and a volume of 22 cm3. Determine its density. Equation: D=m/v Given: m= 35g v=22cm3 Find: D D = 35g/22 cm3 = 1.59 g/ cm3 2 2. An object has a density of 11 g/cm3. If its volume is 6.5 cm3, what would be its mass? Equation: M = D·V Given: D=11 g/cm3 V= 6.5 cm3 Find: m m = (11 g/cm3)( 6.5 cm3) = 71.5 grams 3. A chunk of sulfur has a mass of 36 grams. If the density of sulfur is 2.1 g/cm3, what would be the chunks volume? Equation: V = m/D Given: m=36 grams Find: V d=2.1 g/cm3 v = 36 grams/2.1 g/cm3 = 17.14 cm3 4. A cube has a density of 1.25 g/cm3 and has sides of 12 cm, 11 cm and 15 cm. Calculate the mass of this solid. Formula/equation to find volume: V= length x width x height Equation: m= d * v Given: d=1.25 g/cm3 , 12 cm, 11 cm and 15 cm Finding: First find V V = (12 cm) (11 cm)(15 cm) = 1980 cm3 Mass m= (1.25g/cm3 )x (1980cm3) 5. The volume of water in a graduated cylinder is 150 mL. We drop a marker in, and the water level rises to 221 mL. What is the volume of the marker? Equation: displacement equation final volume – initial volume Given: initial v= 150mL final v= 221mL Find: volume of marker 221mL – 150mL = 71mL 3