B. Put a check (/) on the blank if the statement is true and (X) if it is false.
6. All objects form shadows.
7. Shadows are formed when the straight light rays are blocked by opaque objects.
8. People can determine the time through the changes in the position and length of shadows
. 9. Objects make shadows because they pass light.
10. The closer the material is to the light source, the bigger the size of the shadow.​