Multiple Choice. Choose the best answer. WRITE the LETTER of your answer on the blank before each number. 1. Which of the following will easily get warm under the sun? water in a glass B a piece of stone 2. The following are characteristics of metals EXCEPT ductility A A C metal spoon B. elasticity C malleability D. block of wood D. thermal conductivity 3. Which of the following are malleable and can be easily shaped to make jewelries? A. glass B. gold plastic D. steel 4. It is the property of a material to be drawn into thin wires Ductility B elasticity C malleability A. D. thermal conductivity S. Which of the following does not allow heat and electricity to pass through it? B. copper wire aluminum foil 6 Which is NOT true about conductors? A B plastic spoon D. silver ring Conductors transmit heat and electricity II. Conductors do not transmit heat and electricity Metallic materials are good conductors. IV. Conductors are used in household appliances A and il only B. I, II and II CLl and IV 7. Electric wires are insulated with rubber, Why? A To make them cheaper B. To protect us from electric shock SC Im, IV C To increase the flow of electricity D. All of these 8. Why are cooking pots and pans usually made up of metals? A B. They are cheap and attractive. C They easily conduct heat from the stove to the food we cook They add flavor and aroma to the food D. All of these 9. Which of these statements does not show the importance of conductors in our daily lives? A B. Household appliances are usually made up of conductors that make our work easier and faster. Conductors are used in medical equipment in hospitals for diagnostic purposes like X-ray, Ultrasound, etc School administrators, staff and teschen use desktop computers, laptop, printers and photocopiers for their taska. Electrical wires are insulated with rubber to decrease the flow of electricity 10. Television is an appliance that conducts electricity and is used for cooking B entertainment C lighting D pressing our clothes ​