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Flyby: How Scientists Track Near-Earth Asteroids (1270l) - Middle School Reading Article Friday Worksheet Page 3

Vale Middle School Reading Article

Friday Flyby: How Scientists Track Near-Earth Asteroids (1270L)

Comprehension questions – answers may be in phrases.

1. In what month and year was the asteroid originally discovered?

2. Define asteroid in common terms.

3. By what name do astronomers refer to this asteroid?

4. On what month, date, and year is the asteroid predicted to pass Earth?

5. In what observatory, and in what state, was the asteroid discovered?

7/8.RL.1,2,4,10

2. Answer each question in one or more complete sentences.

What is the estimated size of the asteroid? What U.S. building is used as a comparison?

What are two main purposes in aiming radar at the asteroid as it passes Earth?

What somewhat deceiving factor is used to measure asteroids?

7/8.RL 1,2,.4,10

Pappas, S. Friday flyby: How scientists track near-Earth asteroids. LiveScience. February13, 2013.

Flyby: How Scientists Track Near-Earth Asteroids (1270l) - Middle School Reading Article Friday Worksheet Page 3