2. How does light travels from a source? around corners c. very slowly b. in circles d. in straight line

3. When an object blocks the path of light, what is formed? a, fog C. reflection b. a problem d. shadow

4. When a shadow is behind you, your shadow is? behind you c. in front of you b. at the side of you d. in straight line

5. What is Opaque? Materials that allow light to pass through. Materials that allow no light to pass through. C. Light made by nature, d. None of the above​