D. Scientific meth 1. What process is obtaining information using senses? A. Conclusion B. Inquiry c. Observation 2. Which of the following hypotheses CANNOT be tested? A. An excessive rainfall due to God's curse B. High density material than water will float c. Friction can be lessening by using lubricants D. Varieties of roses reacts differently on soil's salt content 3. What could be drawn based on the gathered data and information and serve possible answer to the problem? A. findings B. hypothesis c. preliminary data D. statement of 4. Which of the following elements helps prevent rickets in children, softening decrease in bone mass in adults? A. Calcium (Ca) B. Iron (Fe) C. Magnesium (Mg) D. Sodium (Na) 5. Which of the following statements is TRUE about compounds? A. The components of a compound are from two different mixtures B. Compounds can be distinguished from other substances by symbols c. Compounds are distinguished by their fixed ratio of different elements. D. The components of a compound cannot be separated by any chemical method 6. Which of the following statement distinguish mixtures from compounds? A. It consists of two or more elements. B. It can be separated by chemica C. It can be homogenous or heterogeneous. D. Its properties are similar from 7. A student investigates the nature of an unknown substance. He decided a blue-green powder and eventually, it turned into a colorless gas and a black sc the nature of the original substance and why? A. Mixture, because it is homogeneous B. Mixture, because the material contains two or more substances C. Substance, because heating the sample produced two different substances D. Element, because the original sample can be further divided into simpler sul 8. Suppose you put a teaspoon of sugar in a glass of water. You stir it and​