Activities 2

Activities 2.

1.

1. 
   X-rays
   
2. 
   Radioactivity
   
3. 
   Quinine
   
4. 
   Lsd
   
5. 
   The microwave
   
6. 
   Play-doh
   

2.

1-f

2-j

3-m

4-b

5-k

6-a

7-a

8-e

9-d

10-i

11-h

12-c

13-g

5.

Super glue first discovered by harry cover . he was actually experimenting with clear plastic gun sights for use in world war II.

Vaseline – in 1859 , 22 years-old chemist Robert Chesebrough was investigating an oil well in Pennsylvania when he caught wind of a strange rumour among the oil rig workers.

6 .

Destroyed

Deplete

Emitted

Brought

Use

Producing

Call

Consideration