Science Worksheets and Study Guides First Grade. My senses

The resources above correspond to the standards listed below:

Next Generation Science Standards

1-PS4. Waves and their Applications in Technologies for Information Transfer - Students who demonstrate understanding can:
1-PS4-2. Make observations to construct an evidence-based account that objects can be seen only when illuminated.
1-PS4.DCI. Disciplinary Core Ideas
PS4.B: Electromagnetic Radiation
PS4.B:1. Objects can be seen only when light is available to illuminate them. Some objects give off their own light. (1-PS4-2)