Difficulty level:
Difficulty:
A1-C2
Theme:
Chemistry
Date:
2026-10-06
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
ACROSS
3
smog
5
corrosive
8
crystal
10
acid (chemistry)
11
phosphorus
13
heavy metal (material) 2 words
15
to evaporate (=to transition from liquid to gas)
17
aluminium, aluminum
18
microscopic (very small)
DOWN
1
molecule
2
zinc (metal, element)
3
solid (not liquid or gas)
4
atomic nucleus 2 words
6
rust
7
laboratory
9
gas (state of matter)
12
chlorine
14
element (chemistry)
15
helium
16
air
ACROSS
3
smog
5
corrosive
8
crystal
10
acid (chemistry)
11
phosphorus
13
heavy metal (material) 2 words
15
to evaporate (=to transition from liquid to gas)
17
aluminium, aluminum
18
microscopic (very small)
DOWN
1
molecule
2
zinc (metal, element)
3
solid (not liquid or gas)
4
atomic nucleus 2 words
6
rust
7
laboratory
9
gas (state of matter)
12
chlorine
14
element (chemistry)
15
helium
16
air