Name date Science: What do you know about light and dark? Circle 2 types of light source. Circle 2 types of light that you can turn on and off. Draw some other light sources. Circle Circle Circle the picture when a light beam is blocked. the materials that would block light. What will happen when a cloud hides the sun? _____________ _____________ Explain what you see when it is dark. __________________ __________________ the picture that has no light. Why should you not look at the sun? _____________ _____________ What might show in the dark if there is a little bit of light? ___________________ ___________________