Across
- 3. The measurement for energy
- 4. A big ball of flaming gas
- 5. The distance light travels in a year
- 7. A star that has exploded may turn into this
Down
- 1. FORCE x DISTANCE = ?
- 2. Rock that orbits planets
- 4. May be found at play parks
- 6. Lightbulbs emit light _____