Science Skills Short Answer 1. The measurement of the force of gravity on an object is the object’s__________ 2. The measurement of how much matter an object contains is its_______3. The measurement of how much mass is contained in a given volume is called_______ 4. The density of a block of wood with a volume of 50 cubic centimeters and a mass of 100 grams is 5. The volume of an irregular object can be measured by ________________ 6. In the laboratory, accurate volumes of liquid are usually measured with a(n) __________ 7. How would you calculate the density of an object? ________ 8. The SI unit for mass is the _________ 9. The variable that is expected to change because of another variable is known as the __________ 10. The metric system of measurement is based on the number __________ 11. The basic unit of length in the metric system is the _____________ 12. How many meters are there in a kilometer? _________ 13. The amount of space an object takes up is its 14. If a shoe box measures 6 cm high, 7 cm wide, and 20 cm long, what is its volume? 15. The SI unit of time is the_______ 16. The SI unit of temperature is the ________ 17. A metal washer has a mass of 0.27 g and a volume of 0.1 cm3. What is its density? 18. The horizontal axis of a graph runs from _____ to __________ (top to bottom), (left to right0 19. What is the first thing you should do if an accident occurs? 20. During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the ________ . 21. The factor that may change in response to the independent variable is called the _______ variable 22 A ________ is used to pour liquids from a wide mouth container to a narrow mouth container 23. A _______ graph is for making comparisions in the data such as grade distribution of students in science class. 24________ graph is used to display how one variable (dependent) change in response to the other(independent ) . 25. a. On which axis is volume shown? b. . Independent/dependent variable 26. a. On which axis is boiling time shown? b. independent/dependent variable Science Skills Answer Section SHORT ANSWER 1. ANS: weight. DIF: L1 2. ANS: mass. REF: p. PS-45 OBJ: PS.2.2.1 DIF: L1 3. ANS: density. REF: p. PS-45 OBJ: PS.2.2.1 DIF: L1 4. ANS: 2 g/cm3 REF: p. PS-47 OBJ: PS.2.2.3 DIF: L3 REF: p. PS-47 OBJ: PS.2.2.3 5. ANS: submerging the object in water in a graduated cylinder. DIF: L3 6. ANS: graduated cylinder. REF: p. PS-46 OBJ: PS.2.2.2 DIF: L2 REF: p. PS-46 7. ANS: Divide its mass by its volume. OBJ: PS.2.2.2 DIF: L2 8. ANS: kilogram. REF: p. PS-47 OBJ: PS.2.2.3 DIF: L1 9. ANS: dependent variable REF: p. PS-45 OBJ: PS.2.2.1 DIF: L2 10. ANS: 10. REF: p. PS-12 OBJ: PS.1.2.1 DIF: L1 11. ANS: meter. REF: p. P-45 OBJ: P.2.1.1 DIF: L2 12. ANS: 1,000 REF: p. P-46 OBJ: P.2.1.2 DIF: L3 13. ANS: mass. REF: p. P-47 OBJ: P.2.1.2 DIF: L2 14. ANS: volume. REF: p. P-48 OBJ: P.2.1.2 DIF: L1 15. ANS: 840 cm3 REF: p. P-50 OBJ: P.2.1.2 DIF: L3 REF: p. P-51 16. ANS: divide its mass by its volume. OBJ: P.2.1.2 DIF: L2 17. ANS: second. REF: p. P-52 OBJ: P.2.1.2 DIF: L1 18. ANS: kelvin. REF: p. P-53 OBJ: P.2.1.2 DIF: L2 19. ANS: 2.7 g/cm3 REF: p. P-54 OBJ: P.2.1.2 DIF: L3 REF: p. P-52 OBJ: P.2.1.2 20. ANS: how the dependent variable changes in response to the independent variable. DIF: L2 21. ANS: left to right. REF: p. P-69 OBJ: P.2.3.1 DIF: L1 REF: p. P-70 22. ANS: Notify your teacher. OBJ: P.2.3.1 DIF: L1 23. ANS: testable. REF: p. P-81 OBJ: P.2.4.2 DIF: L2 REF: p. P-15 OBJ: P.1.2.2 24. ANS: independent variable. DIF: L3 REF: p. P-16 25. ANS: dependent variable. OBJ: P.1.2.2 DIF: L1 REF: p. P-16 OBJ: P.1.2.2 26. ANS: Volume is shown on the horizontal axis (x-axis). DIF: L1 REF: p. P-70 OBJ: P.2.3.1 27. ANS: Time is shown on the vertical axis (y-axis). DIF: L1 REF: p. P-70 OBJ: P.2.3.1