Multiple Choice : Encircle the letter of the correct answer. 1. Which element is NOT a metal ? a. Oxygen b. Silver c. Gold d. Copper 2. What do call to the observations that are recorded ? a. Research b. Observation c. Data d. Test 3. It is a scientific guess. a. Scientific Method b. Data c. Hypothesis d. Theory 4. Which is NOT an example of quantitative data ? a. She jumped 155 cm high. c. An apple weighs 1.6 kg. b. She feels sick. d. Her temperature is 36.6 °C. 5. It is a systematic process by which scientist or even ordinary persons who investigate a phenomena, acquire new knowledge, or correct and integrate existing knowledge about the natural world. a. Data b. Scientific Method c. Theory d. Hypothesis 6. It is a good conductor of heat and are therefore used as cooking utensils such as pots and pans. a. Semi-metal b. Metal c. Metalloids d. None of these 7. What are the two classifications of mixtures? a. Pure Substance & Elements c. Homogeneous & heterogeneous b. Mixture & Compound d. Pure Substance & Solution 8. These are generally gases, or solids, they are dull, not malleable, not ductile and poor conductor of heat. a. Semi-metal b. Metal c. Nonmetal d. None of the above 9. Metals are good conductors of heat and electricity. Which element DOES NOT exhibit this property? a. Aluminum b. Chromium C. Sulfur d. Tungsten 10. Which of the following DOE NOT describe the properties of silver, zinc and gold? a. They are good conductors of heat and electricity. b. They can be drawn into wires. c. They are brittle. d. They are malleable.
