Preparation task

Match the definitions (a–h) with the vocabulary (1–8). (Use your ntebook)

Definitions

a. to record or make note of something 

b. a rock that flies through outer space 

c. the path of an object around a planet 

d. to be in an unknown location 

e. dangerous f. a kind of light humans can’t see without special glasses 

g. to follow the movement or progress of something 

h. to notice

Vocabulary

1. …… an asteroid 

2. …… an orbit 

3. …… to pick up 

4. …… to track 

5. …… infrared 

6. …… to log 

7. …… hazardous 

8. …… to be unaccounted for