Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2025-11-02
Click on an empty cell for your first clue.
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ACROSS
1
acid (chemistry)
2
empirical (based on experience)
7
crystal
8
inventor
11
silicon
13
ornithology
15
tin (metal, element)
16
barren, sterile (unable to bear children)
18
chemical (relating to chemistry)
19
discovery (discovering something new)
DOWN
1
selenium
3
microscopic (very small)
4
rust
5
helium
6
resistance (physics; force that tends to oppose motion)
9
fluorine
10
to evaporate (=to transition from liquid to gas)
12
time travel
14
limescale
15
zinc (metal, element)
17
iodine
ACROSS
1
acid (chemistry)
2
empirical (based on experience)
7
crystal
8
inventor
11
silicon
13
ornithology
15
tin (metal, element)
16
barren, sterile (unable to bear children)
18
chemical (relating to chemistry)
19
discovery (discovering something new)
DOWN
1
selenium
3
microscopic (very small)
4
rust
5
helium
6
resistance (physics; force that tends to oppose motion)
9
fluorine
10
to evaporate (=to transition from liquid to gas)
12
time travel
14
limescale
15
zinc (metal, element)
17
iodine