READING 1 OF 22 focus words
A pink line under glass
Read for meaning first. Select a highlighted word if you want a closer look.
The fluorescent line on the old ticket glowed pink under the collector's ultraviolet lamp. In the next display a flash tube was labeled with the gas it contained.
A chart beside the tube gave the symbol Xe for xenon. The collector turned off the ultraviolet lamp so a visitor could compare the ticket in daylight.
Before you move on
Look away from the passage. Can you explain each focus word in your own words?
Original fictional passages for vocabulary practice.