9PS = Property of Matter Review Achievement Scale -Score 3 Name: ________________________ Can identify chemical and physical properties of matter. And give examples of each. Section 12.1 Review page 275 - Complete Questions 1, 2, 3, 4, 5, 6, 7, and 8. 1. Name one example of a physical change and one example of a chemical change. 3. The strength of a material determines a. how dense the materials is b. how much force it can withstand before breaking c. how good a thermal or electrical conductor it is 5. Explain, from an atomic-level perspective, why expansion joints are used in bridges. 6. Which property of a metal describes why it can be formed into wire? 7. When installing wood floors, it is often recommended that you leave a half-inch of space between the flooring and the wall (Figure 12.6). Why the spacing? 8. Aluminum can be made into foil because aluminum has high ____. Can identify whether a change is either a chemical or physical change. Ch 12 pg 293. Concepts - complete # 5 a, b, c, d, e, and f. 5. Classify the following as a physical property (P) or a chemical property (C). a. ____ ice melts at room temperature b. ____ an apple turns brown when it is peeled c. ____ mercury is a metal that is liquid at room temperature d. ____ rust is orange e. ____ copper is shiny f. ____ copper forms a blue-green patina after being exposed to the air for a long period of time Can distinguish between pure substances and mixtures. Section 10.1 Review page 233 - Complete Questions 2, 3, 4, and 6 2. Describe the difference between elements, compounds, and mixtures. 3. Which would be easier to separate, a mixture or a compound? Explain your answer. 4. Give an example of each: element, compound, and mixture. 6. Most things you use every day are: a. compounds b. elements c. mixtures Can identify mixtures as either Homogeneous or Heterogeneous. Section 10.1 Review page 233 - Complete Question # 5 a, b, c, d, e, f, g, h, i, and j. 5. Identify each of the following as element, compound, homogeneous mixture, or heterogeneous mixture. Explain your reasoning for each. a. milk b. iron nail c. glass d. sugar e. bottled spring water f. distilled water g. air h. alloy bicycle frame i. propane j. baking soda Can, based on chem. formulas, identify a pure substance as either an element, compound or molecule. Identify the following as an element (E), a compound (C), or a Molecule (M). a. iron, Fe ______ b. nitric oxide, N2O5 _____ c. hydrogen, H2 ______ d. lithium, Li ______ e. aluminum, Al ______ f. carbon, C ______ g. Oxygen, O2 _____ h. ZnCl2 ______ i. carbon dioxide, CO2 _____ Can state whether a material has high or low values of the below properties: Density (D = m/v) Malleability Elasticity Hardness Odor Conductivity Tensile Strength Thermal Expansion Brittleness Viscosity Color Ductility For each object listed - state if the property is High (H) or Low (L). a. gold / malleability _____ b. shoe lace / tensile strength _____ c. oxygen / density _____ d. granite / hardness _______ e. copper / conductivity ______ f. chocolate syrup _______ g. Livestrong bracelet / elasticity _____ h. test tube / brittleness ________ i. Copper / ductility _________ Classify each of the following properties of matter as physical [P] or chemical [C]. a. Color _____ c . Density ______ e. Burns easily (flammable) _____ g. Not affected by acids ______ i. Boils at 450 °C ______ b. d. f. h. j. Reacts violently with chlorine _____ Good conductor of heat ______ Dissolves readily in water ______ Melts at 145 °C ______ Malleable ______ Lab: when given an object can determine its volume. Explain 2 ways that volume can be determined. Can determine the density of an object from the slope of a mass vs. volume graph. Use the graph provided to calculate the slope. ( ________ , ________ ) ( ________ , ________ ) What does the slope of the line tell you? ____________ Can identify which term (accuracy, precision and resolution) applies to a given lab/measurement situation or example. Below are four sets of data obtained by students in a CHM 151 lab. The small metal object that was weighed has an actual mass of 25.11 g. Comment on the accuracy and precision of the data sets. Data Set 1 24.06 g Data Set 2 25.12 g Data Set 3 23.76 g Data Set 4 26.51 g 28.09 g 25.09 g 23.80 g 25.08 g 29.56 g 25.14 g 23.78 g 23.63 g Data Set 1: _____________________________________________________________________________________________ Data Set 2: _____________________________________________________________________________________________ Data Set 3: _____________________________________________________________________________________________ Data Set 4: _____________________________________________________________________________________________ Each of five students used the same ruler to measure the length of the same pencil. These data resulted: 15.33 cm, 15.34 cm, 15.33 cm, 15.33 cm, 15.34 cm. The actual length of the pencil was 15.85 cm. Describe whether accuracy and precision are each good or poor for these measurements. Using two different instruments, I measured the length of my foot to be 27 cm and 27.00 cm Explain the difference between these two measurements. Be sure to include the concept of resolution in your answer. Can give examples of objects that have a mass of 1gm, a volume of 1ml and a length of 1cm. Give 2 examples of each of the above. Mass of 1 g: Volume of 1 mL: Length of 1 cm:
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