Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2026-09-22
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
ACROSS
1
analysis
6
selenium
7
fossil (remains of life form)
10
microscopic (very small)
12
tin (metal, element)
13
caffeine
16
chromium
17
hypothesis
19
limescale
20
mold, mould (fungus)
DOWN
2
nitrogen
3
to poison
4
particle physics
5
to melt, to thaw (=to become a liquid)
8
smog
9
lubricant
11
nuclear weapon, atomic bomb
14
foam
15
species (group of plants or animals)
18
gas (state of matter)
ACROSS
1
analysis
6
selenium
7
fossil (remains of life form)
10
microscopic (very small)
12
tin (metal, element)
13
caffeine
16
chromium
17
hypothesis
19
limescale
20
mold, mould (fungus)
DOWN
2
nitrogen
3
to poison
4
particle physics
5
to melt, to thaw (=to become a liquid)
8
smog
9
lubricant
11
nuclear weapon, atomic bomb
14
foam
15
species (group of plants or animals)
18
gas (state of matter)