Introduce your kindergarten students to forms of energy with these 14 NO PREP Sources of Light, Sound, and Heat Energy Picture Sort Worksheets. Students will use pictures to sort sources of light, heat, and sound energy, artificial and natural sources of light energy, with these energy science picture sort worksheets. Quick and easy to use, great for nonreaders, extra practice, independent work, seat work, homework, spiral review, and even tests! Students will use these worksheets to sort, cut,