Forms of energy

4. a knitted garment typically with long sleeves, worn over the upper body
5. and exhibited
6. a person who steals another person's property
9. a building in which objects of historical, scientific, artistic, or cultural interest are
11. a leader or ruler of a people or clan
14. a large body in outer space that circles around the sun or another star
15. furrow one's brow in an expression of disapproval, displeasure, or
16. moved forward on the hands and knees
17. the state of being ill
19. clean an area by brushing away dirt or litter
21. a collection of things tied or wrapped up together

1. pull another vehicle or boat along with a rope, chain, or tow bar
2. close or join securely
3. a relationship between friends
7. time regarded as still to come
8. highly pleasant to the taste
10. a low area of land between hills or mountains
12. a number of birds of one kind feeding, resting, or traveling together
13. round green seeds that are widely eaten as a vegetable
18. symmetrical three-dimensional shape, either solid or hollow, contained by six
20. squares