🌍 Chapter 1 — The Ever-Evolving World of Science
10 Marks
6 × 1M = 6 marks (MCQ/Short) | 2 × 2M = 4 marks (Short Answer)
1Which of the following best describes science? 1M
2Name the scientist who proposed the theory of evolution. 1M
3State whether True or False: Science is a static body of knowledge that never changes. 1M
4What is a scientific hypothesis? 1M
5Name any two branches of science and what they study. 1M
6Fill in the blank: The process of __________ is used by scientists to test their hypotheses. 1M
7How has science changed the way humans live? Give two examples. 2M
8What is the difference between a scientific theory and a scientific law? 2M
⚗️ Chapter 4 — The World of Metals and Non-Metals
15 Marks
4 × 1M = 4 marks | 2 × 2M = 4 marks | 1 × 3M = 3 marks | 1 × 4M = 4 marks
1Which of the following is a non-metal? 1M
2The property of metals to be drawn into thin wires is called __________. 1M
3State True or False: Non-metals are generally good conductors of electricity. 1M
4Name the metal that is liquid at room temperature. 1M
5Differentiate between malleable and ductile metals with one example each. 2M
6Why are metals used for making electrical wires? Give two reasons. 2M
7List any three physical properties of metals and three physical properties of non-metals. 3M
8Explain the uses of any four metals in everyday life. Mention the specific property that makes each metal useful for that purpose. 4M
⏱️ Chapter 8 — Measurement of Time and Motion
15 Marks
2 × 2M = 4 marks | 2 × 3M = 6 marks | 1 × 5M = 5 marks
1What is the SI unit of time? Name the instrument used to measure it accurately. 2M
2Define speed. Write its formula and SI unit. 2M
3Differentiate between uniform motion and non-uniform motion with one example each. 3M
4A car travels 150 km in 3 hours. Calculate its average speed. Show your working. 3M
5Explain the concept of a distance-time graph. What does a straight line on such a graph indicate? Draw a rough sketch and describe what different slopes represent. 5M