G7 Science Diagnostic Test PDF

G7 Science Diagnostic test Circle the letter of the correct answer. 1. What energy is stored in a dry cell? A. Chemical energy B. Light energy C. Mechanical energy D. Nuclear energy 2. What is always produced when energy transformation occurs? A. Electri...

G7 Science Diagnostic test Circle the letter of the correct answer. 1. What energy is stored in a dry cell? A. Chemical energy B. Light energy C. Mechanical energy D. Nuclear energy 2. What is always produced when energy transformation occurs? A. Electricity B. Light C. Heat D. Sound 3. Which device uses chemical energy in portable radios to produce sound? A. Dry cell B. Flashlight C. Generator D. Motor 4. Which simple machine is made of rigid or strong bar that is free to move at a fixed point? A. Lever B. Wedge C. Pulley D. Wheel and axle 5. Why do great earthquakes occur? They occur ____________. A. Because of shifting crustal plates B. Because of waves coming from the ocean C. Because of the flowing stream D. Because of weak typhoons that hit certain areas 6. Which of the following factors best refer to the magnitude of an earthquake?  A. The amount of energy released by an earthquake B. The extent of damage of an earthquake C. The vibrations on the earth's surface D. The falling of loose rocks 7. Why does a tsunami occur? A. It is caused by an earthquake in a plain B. It is caused by an earthquake under the sea C. It is caused by a big typhoon in the land D. Both B and C 8. Which should you observe before an earthquake? A. Stay under a sturdy table B. Stay away from cliffs C. Avoid touching live electric wires D. Perform an earthquake drill regularly 9. Which should you avoid after an earthquake? A. Condemned buildings B. Elevators C. Stairs D. A valley 10. Which of the following volcanoes found in the Philippines which were erupted violently which sent its smoke and ashes up to the stratosphere? A. Mount Pinatubo in Zambales B. Taal Volcano in Batangas C. Mount Mayon in Albay D. Mount Makiling in Laguna 11. Before a volcano erupts, there are signs that enable volcanologists to predict an impending volcanic eruption months or weeks before it will be. Below are three of these signs, EXCEPT: A. Escaping gases B. Billowing smoke, roaring, and rumbling sounds C. Unstoppable rain D. Changes in water level and temperature 12. Of the different kinds of volcanoes, one may erupt without warning any time that's why people living near this kind of volcano must always be on the lookout. Which of the following options is the answer?  A. Extinct Volcano B. Active Volcano C. Dormant Volcano D. Beautiful Volcano 13. Why do sailors avoid the doldrums? A. Because their ships would sail so fast that they may hit the rocks B. Because their ships would sail so fast that they may hit the icebergs C. Because their ships would not sail D. Both A and C 14. What kind of climate do areas surrounded by seas have? A. Very cold B. Cold C. Hot climate D. Mild climate 15. What kind of season has most leaves falling from the trees? A. Summer B. Autumn C. Spring D. Winter 16. Which are the hottest stars? A. Red stars B. White stars C. Yellow stars D. Bluish-white stars 17. The color of our sun is ____________. A. Bluish-white B. Orange C. White D. Yellow 18. What is the correct order of steps in the scientific method? A. Ask a question, make a hypothesis, test the hypothesis, draw conclusions, and analyze results. B. Ask a question, make a hypothesis, test the hypothesis, analyze results, and draw conclusions.  C. Ask a question, analyze results, make a hypothesis, test the hypothesis, and draw conclusions. D. Make a hypothesis, test the hypothesis, analyze results, ask a question, and draw conclusions. 19. Which of the following questions is best considered as scientific? A. Who invented electricity? B. How long did dinosaurs live on Earth? C. How many koalas are there in Australia? D. Does the amount of salt in water affect the temperature at which it boils? 20. What is the process of obtaining information using your senses? A. Inquiry B. Conclusion C. Observation D. Scientific Method 21. What variable can be changed or manipulated? A. Dependent variable B. Experimental variable C. Independent variable D. Uncontrolled variable 22. A scientist hypothesizes that the temperature at which an ostrich egg is incubated will determine whether the ostrich will be male or female. What is the independent variable in this experiment? A. Scientist B. Incubator C. Temperature D. Gender of the ostrich 23. Please refer to situation in number 22, what is the dependent variable? A. Scientist B. Incubator C. Temperature D. Gender of the ostrich 24. What do you call an idea or explanation that you test through study and experimentation? A. Question  B. Hypothesis C. Conclusion D. Observation 25. What do you call the things in an experiment that must be the same to make it fair? A. Dependent variables B. Independent variables C. Controlled variables D. Uncontrolled variables 26. What are the products of anaerobic respiration in yeast? A. Alcohol and Carbon dioxide B. Carbon dioxide and glucose C. Oxygen and alcohol D. Glucose and oxygen 27. Grade 6 learners set-up an experiment as illustrated below and observed after some time. What was their conclusion after the experiment? ……………………………………………………………………………………………………………………………………… 28. Rewrite the following sentence in your own words: "Photosynthesis is essential not only for the survival of plants but also for providing the oxygen that most living organisms need to breathe. ………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………… ………………………………..…………………….…………………………………………….……………………………………… ………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………… ………………………………..…………………….…………………………………………….……………………………………… ………………………………………………………………………………………………………………………………………… ………………………………………………………………………………………………………………………………………… ………………………………..…………………….…………………………………………….………………………………………