Quiz 7.

NAME:________________________

1. In the space next to each statement, write either "T" for TRUE, or "F" for FALSE. (2 pt. ea.)

T: Comets provide the fuel for meteor showers.

T: No stones from meteor showers have been recovered.

F: "Finds" are stones recovered after following meteors' trails.

T: Most planetary rings are within the tidal stability limit.

F: Pluto is only visible with telescopes in space.

F: The rings of Uranus were discovered by a satellite.

2. Circle the term in parentheses that makes the sentence correct. (2 pt. ea.)

A. Most meteors have masses of (hundreds of kg/about a gram).
A: about a gram

B. A comet's (dust/ion) tail points away from the Sun.
A: ion

C. The source of most comets is the (Oort Cloud/Kuiper Belt). A: Oort Cloud

D. The (capture/breakup) hypothesis is one theory of ring formation.
A: breakup