8. You can protect yourself from the harmful effects of conductors by using A conductors B. convectors C. insulators D. radiators
9. Which of the followingmaterials are good conductors of heat? A. ceramic cups, disposable glass, silver B. iron nail, silver, copper C. glass, cloth, paper D. aluminum, plastic, rubber
10. Which among the following materials is useful in cooking food? A. ceramic mug B. aluminum casserole C. metal spoon D. plastic cup
11. Why is electrical wiring usually covered with a layer of plastic? A. To help electricity flow along the wire B. To make it look better C. To save electricity D. To make it safe
12. What colors are reflected when an object appears black? A none B. red and blue C. all colors D. black
13. Which object would absorb the most light and heat? A. black shirt B. green leaf C. red apple D. white car
14. During hot or summer days, people must wear. A.white or light-colored clothes B. black clothes C. dark-colored clothes D. any color of clothes
15. Which set of objects are usually black and are more absorbent of heat A. carbon paper, roof, bag B. hair, laptop, clothes C. coal, tires, iron, magnet D. flower, paper, vase
#respect salamat sa sasagot.. kung d alam wag ng sumagot ng d mareport..