Across
- 5. a person who commands a group
- 6. small blue humanoid creatures
- 8. the force of gravity on an object
- 10. somebody from siberia
- 11. the standard measurement of force
Down
- 1. a push or a pull
- 2. a red muppet character
- 3. the amount of matter in an object
- 4. a group defined by unusual beliefs
- 7. someone who brings gifts on Christmas
- 9. a force that resists an objects motion