Pretest a Direction: Read and analyze each item. Choose the letter of the correct answer. 1. Which shows reflection of light? 1. Color separation. II. Seeing yourself in the mirror. III. Metal spoon left in a glass with hot water warms up. IV. Cold air moves up while hot air moves down. A. I only B. Il only C. III and IV D. I, II, III, IV 2. Which is an effect of refraction of light? A. Shadow C. Reading a book B. Rainbow D. Image of a mountain in a body of water beside it 3. Arrange the events that took place when we see a green leaf. 1. Some lights are absorbed by the leaf II. Light from the source hits the leaf III. Reflected light reaches our eyes, thus we see the leaf. IV. Other light bounces off from the leaf A. I, II, III, IV B. II, IV, I, III C.II, I, III, IV DI, III, IV, 1 4. Which word pair illustrates a correct concept of reflection or refraction? A. Plane Mirrors: Reflection C. Side View Mirrors: Refraction B. Clear Glasses: Reflection D. Eye Lens: Reflection 5. Refraction happens when light travels in medium. A. different C. one D. same B. none​