Across
- 1. where something begins or comes from
- 5. the bright light that shines from the Sun or a lamp
- 7. a thing that you can touch or see
Down
- 2. when light bounces off a mirror or water
- 3. a dark shape that appears when light is blocked
- 4. a sign that tells you to be careful
- 6. what helps you run, jump, or play