Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2025-10-09
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
sulfur, sulphur
4
genetics
6
bubble
7
foam
9
molten, melted
11
prototype
15
corrosion
16
rust
18
platinum
19
corrosive
20
limescale
DOWN
1
to accelerate, to speed up
2
titanium
3
paradox
5
steam, vapour
8
microscope
10
empirical (based on experience)
12
theory
13
gender, sex
14
to inflate (=to fill with gas or air)
17
mold, mould (fungus)
ACROSS
1
sulfur, sulphur
4
genetics
6
bubble
7
foam
9
molten, melted
11
prototype
15
corrosion
16
rust
18
platinum
19
corrosive
20
limescale
DOWN
1
to accelerate, to speed up
2
titanium
3
paradox
5
steam, vapour
8
microscope
10
empirical (based on experience)
12
theory
13
gender, sex
14
to inflate (=to fill with gas or air)
17
mold, mould (fungus)