“Make a Comet Nucleus” Worksheet. 1. ... Halley's Comet appeared just before
this battle in the year 1066 AD a. the Battle of Hastings b. the Battle of Waterloo.
“Make a Comet Nucleus” Worksheet 1. The process by which carbon dioxide goes directly from the solid to the gaseous state is called a. melting b. sublimation c. evaporation d. boiling 2. Halley’s Comet appeared just before this battle in the year 1066 AD a. the Battle of Hastings b. the Battle of Waterloo c. the Battle of Bull Run d. the Battle of the Bulge 3. The nucleus of Comet Shoemaker-Levy 9 struck this planet in 1994 a. Jupiter b. Venus c. Earth d. Mars 4. The tail of a comet is made of a. solid ice b. gas and dust c. black holes d. solid iron 5. The nucleus of a comet is the size of a. a house b. an iceberg c. a planet d. a star 6. Most comets spend years drifting through space beyond the orbit of a. Mercury b. Venus c. Earth d. Neptune 7. The nucleus of a comet is a. cold and icy b. hot and dry c. a solid lump of iron 8. Dry ice is made of a. nitrous oxide b. iron oxide c. zinc oxide d. carbon dioxide
9. The Tunguska Event occurred a. b. c. d.
in Siberia in 1908 in New York in 1968 in England in 1668 in Japan in 1898
10. It is thought that comets brought this substance to Earth long ago a. iron b. oxygen c. uranium d. water KEY: 1(b) 2(a) 3(a) 4(b) 5(b) 6(d) 7(a) 8(d) 9(a) 10(d)
