Scientific Knowledge and Graph Interpretation Quiz

Chapter 1 Science Skills Chapter Test B Multiple Choice Write the letter that best answers the question or completes the statement on the line provided. Distance Traveled by a Steel Ball 80 70 2. What is a system of knowledge and the methods used to find that knowledge? a. science b. technology c. measurement d. curiosity 60 Distance (m) 1. What type of graph is represented by Figure 1-1? a. bar graph b. line graph c. circle graph d. none of the above 50 40 30 20 10 0 3. Which of the following is NOT a branch of natural science? a. life science b. Earth and space science c. physical science d. social science 1 2 3 4 Time (s) Figure 1-1 4. Which of the following is NOT one of the main ideas of physical science? a. The universe is very old and very large. b. Forces cause changes in motion. c. Energy can be transferred from one form to another, but it can never be destroyed. d. One of the main branches of natural science is biology. 5. In which step of the scientific method is information obtained through the senses? a. drawing conclusions b. making observations c. analyzing data d. revising a hypothesis 6. What is a statement that summarizes a pattern found in nature? a. a scientific law b. a fact c. a scientific theory d. a hypothesis 7. What is a physical or mental representation of an object or an event? a. a theory b. a hypothesis c. a model d. a scientific law 5 6 7 8. What is the most important safety rule? a. Never work with chemicals. b. Always use unbreakable glassware. c. Always follow your teacher’s instructions and textbook directions exactly. d. Never do experiments that involve flames or hot objects. 9. How is 0.00025 written in scientific notation? b. 2.5 × 104 a. 25 × 10–5 –3 c. 0.25 × 10 d. 2.5 × 10–4 10. Which of the following is equal to 1 centimeter? a. 100 meters b. 1/10 of a millimeter c. 10 millimeters d. 100 millimeters 11. Timers at a swim meet used four different clocks to time an event. Which recorded time is the most precise? a. 55 s b. 55.0 s c. 55.2 s d. 55.25 s 12. On the Celsius scale, at what temperature does water boil? a. 0° b. 212° c. 100° d. 32° 13. What is the relationship in which the ratio of the manipulated variable and the responding variable is constant? a. inverse proportion b. direct proportion c. slope d. interdependent 14. How do scientists communicate the results of investigations? a. by publishing articles in scientific journals b. by giving talks at scientific conferences c. by exchanging e-mails d. all of the above 15. What is a peer review? a. a process in which only close friends of a scientist review the scientist’s work b. a process in which scientists examine other scientists’ work c. a process in which scientists copy other scientists’ work d. a process in which scientists keep their work secret Completion Complete each statement on the line provided. 1. The SI base unit of mass is the . 2. An organized plan for gathering, organizing, and communicating information is called a(an) . 3. A(An) is a way of plotting data to show changes that occur in related variables. 4. Computers are an example of that helps people solve problems. 5. Natural science is divided into life science, Earth and space science, and . 6. The is the variable that changes in response to the manipulated variable. 7. A(An) is a statement that summarizes a pattern found in nature. 8. A(An) makes it easier to understand things that are too small, too large, or too hard to observe directly. 9. The measurement 0.014 seconds equals milliseconds. 10. is the closeness of a measurement to the actual value being measured. Short Answer In complete sentences, write the answers to the questions on the lines provided. 1. What is the single most important laboratory safety rule? 2. Why do scientists speak at conferences and write articles in scientific journals? 3. What is a peer review? 4. How many significant figures will the answer to the calculation 65.25 × 37.4 have? 5. What is the temperature at which water freezes, expressed in Fahrenheit, Celsius, and kelvins? Using Science Skills Use the diagram to answer each question. Write the answers on a separate sheet of paper. Monthly Precipitation: Port Hardy, Canada cm cm 30 30 25 25 20 20 15 15 10 10 5 5 0 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Figure 1-2 1. Using Graphs What measurements are compared in Figure 1-2? 2. Analyzing Data In Figure 1-2, which month had the highest amount of precipitation? 3. Inferring Why might the data in Figure 1-2 be important to share with a scientist studying agriculture trends in Port Hardy? 4. Using Graphs Use Figure 1-2 to determine the approximate total annual precipitation. 5. Calculating In Figure 1-2, how many meters of precipitation were recorded during January?