Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2021-04-02
Click on an empty cell for your first clue.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
ACROSS
1
bubble
7
empirical (based on experience)
9
steam, vapour
11
iodine
13
solid (not liquid or gas)
16
nitrogen
19
uranium
20
foam
21
fluorine
DOWN
2
alloy
3
pseudoscience
4
acid (chemistry)
5
atom
6
corrosion
8
potassium
10
patent (of a new invention)
12
magnet
14
inventor
15
organism
17
copper (metal, element)
18
chromium
ACROSS
1
bubble
7
empirical (based on experience)
9
steam, vapour
11
iodine
13
solid (not liquid or gas)
16
nitrogen
19
uranium
20
foam
21
fluorine
DOWN
2
alloy
3
pseudoscience
4
acid (chemistry)
5
atom
6
corrosion
8
potassium
10
patent (of a new invention)
12
magnet
14
inventor
15
organism
17
copper (metal, element)
18
chromium







