Page 62 - Reading Success B7

Unit11

Pluto's Planetary Status

Before You Read

1. How many planets are there in our solar system?

2. What is Pluto?

Vocabulary

Match the words with their definitions.

a. discrepancy 1. an oddity or peculiarity

b. speculate 2. an instance of difference or inconsistency

c. astronomer 3. to engage in thought or reflection

d. gravity 4. small, fragile, irregularly shaped bodies

composed of a mixture of non-volatile grains
and frozen gases

e. terrestrial 5. the force of attraction by which terrestrial
bodies tend to fall toward the center of the

earth

f. eccentricity 6. an expert in astronomy

g. comet 7. refers to things having to do with the land or

the Earth

unit 11_65