Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2026-07-20
Click on an empty cell for your first clue.
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ACROSS
1
reflex (automatic response to a stimulus)
5
chromium
7
paradox
9
to accelerate, to speed up
13
inventor
14
reversible (can be undone)
16
solid (not liquid or gas)
18
to recharge, to charge up (=to add energy; e.g., to an electric battery)
19
wormhole (in space) 3 words
DOWN
2
tin (metal, element)
3
chlorine
4
sulfur, sulphur
6
bleach (disinfectant chemical) 3 words
8
discovery (discovering something new)
10
heavy metal (material) 2 words
11
silicon
12
to drain (=to remove liquid from)
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steam, vapour
17
gender, sex
ACROSS
1
reflex (automatic response to a stimulus)
5
chromium
7
paradox
9
to accelerate, to speed up
13
inventor
14
reversible (can be undone)
16
solid (not liquid or gas)
18
to recharge, to charge up (=to add energy; e.g., to an electric battery)
19
wormhole (in space) 3 words
DOWN
2
tin (metal, element)
3
chlorine
4
sulfur, sulphur
6
bleach (disinfectant chemical) 3 words
8
discovery (discovering something new)
10
heavy metal (material) 2 words
11
silicon
12
to drain (=to remove liquid from)
15
steam, vapour
17
gender, sex