V. Write one word in each gap to complete the following sentences.
Pluto is a dwarf planet. A dwarf planet travels around, or orbits, the sun just like other (1) __________. But it is much smaller. Clyde Tombaugh discovered Pluto in 1930. He was an astronomer (2) _____________ the United States. An astronomer is a scientist who studies stars and other objects in (3) _____________. Venetia Burney named Pluto that same year. She was an 11-year-old girl from England.
Pluto is not (4) _____________ big. It is only half as wide as the United States. Pluto is smaller than Earth's moon. This dwarf planet (5)_____________ 248 Earth years to go around the sun. If you lived on Pluto, you (6) _____________have to wait 248 Earth years to celebrate your first birthday. One day on Pluto is about 6 1/2 days (7) _____________Earth. Pluto is about 40 times farther from the sun than Earth is. Pluto is in am area of space (8) _____________ the Kuiper (KY-per) Belt. Thousands of small, icy objects like Pluto but smaller (9)_____________in the Kuiper Belt.
This dwarf planet has five moons. Its largest moon is (10) _____________ Charon (KAIR-ən). Charon is about half the size of Pluto. Pluto's four other moons are named Kerberos, Styx, Nix and Hydra.
Pluto is a dwarf planet. A dwarf planet travels around, or orbits, the sun just like other (1) ____planets______. But it is much smaller. Clyde Tombaugh discovered Pluto in 1930. He was an astronomer (2) _______from______ the United States. An astronomer is a scientist who studies stars and other objects in (3) ____space_________. Venetia Burney named Pluto that same year. She was an 11-year-old girl from England.
Pluto is not (4) _____very________ big. It is only half as wide as the United States. Pluto is smaller than Earth's moon. This dwarf planet (5)______takes_______ 248 Earth years to go around the sun. If you lived on Pluto, you (6) ________would_____have to wait 248 Earth years to celebrate your first birthday. One day on Pluto is about 6 1/2 days (7) ________on_____Earth. Pluto is about 40 times farther from the sun than Earth is. Pluto is in am area of space (8) _______called______ the Kuiper (KY-per) Belt. Thousands of small, icy objects like Pluto but smaller (9)______are_______in the Kuiper Belt.
This dwarf planet has five moons. Its largest moon is (10) ______named_______ Charon (KAIR-ən). Charon is about half the size of Pluto. Pluto's four other moons are named Kerberos, Styx, Nix and Hydra.
