Science Worksheets and Study Guides First Grade. My senses

The resources above correspond to the standards listed below:

National STEM Standards

STEM.S. SCIENCE: Next Generation Science Standards (NGSS)
NGSS.1-PS. PHYSICAL SCIENCE
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.