For questions 1 – 8 choose the correct letter A B C or D1 A habitat B place C position D setting 2 A notable B notably C notice D noticing3 A Although B Even C Still D Yet4

and replaced as needed before every mission to ensure the safety of the crew. These tilesprotected the shuttle from the extreme heat experienced during re-entry. In fact, thetemperature on the surface of the shuttle's heat shield could reach as high as 1,650 degreesCelsius (3,000 degrees Fahrenheit) during re-entry.

1. D
2. A
3. A
4. B
5. A
6. C
7. A
8. C