Across
- 3. a boat whose hull is fitted underneath with shaped vanes (foils) that lift the hull clear of the water to increase the boat's speed
- 4. a vivarium for smaller land animals, especially reptiles, amphibians, or terrestrial invertebrates, typically in the form of a glass-fronted case
- 6. a small dog of a breed originally used for turning out foxes and other burrowing animals from their lairs
- 7. having lost a large amount of water from the body
- 9. a small rocky body orbiting the sun
- 11. existing, occurring, or done under the earth's surface
- 12. a person who is trained to travel in a spacecraft
- 15. the branch of technology and industry concerned with both aviation and space flight
- 16. existing, happening, or operating in the air
- 17. cause to absorb water
- 18. the study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs and the natural world
- 19. a fixture in a street or other public place with a nozzle by which a hose may be attached to a water main
- 21. feats of spectacular flying performed in one or more aircraft to entertain an audience on the ground
- 22. a substance enclosed under pressure and able to be released as a fine spray
Down
- 1. vigorous exercises, such as swimming or walking, designed to strengthen the heart and lungs
- 2. denoting, relating to, or operated by a liquid moving in a confined space under pressure
- 5. of or from outside the earth or its atmosphere
- 8. a stretch of land, especially with regard to its physical features
- 10. a sudden event, such as an accident or a natural catastrophe, that causes great damage or loss of life
- 13. an area of land under the jurisdiction of a ruler or state
- 14. a symbol used to mark printed or written text
- 19. a colorless, odorless, highly flammable gas
- 20. the branch of science that deals with celestial objects, space, and the physical universe as a whole
- 21. a traveler in a hot-air balloon, airship, or other flying craft
