Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2026-07-16
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
21
ACROSS
2
empirical (based on experience)
4
helium
6
to drain (=to remove liquid from)
9
atomic nucleus 2 words
10
organism
11
limescale
12
pressure (physics)
14
blackout, power outage
17
to freeze (=to lower something's temperature)
18
to recharge, to charge up (=to add energy; e.g., to an electric battery)
20
gas (state of matter)
21
movement (physical motion)
DOWN
1
plutonium
3
pseudoscience
4
to steam (=to emit vapor or steam)
5
atomic physics 2 words
7
anatomy
8
alloy
13
tin (metal, element)
15
battery (electric)
16
mold, mould (fungus)
19
gene (biology)
ACROSS
2
empirical (based on experience)
4
helium
6
to drain (=to remove liquid from)
9
atomic nucleus 2 words
10
organism
11
limescale
12
pressure (physics)
14
blackout, power outage
17
to freeze (=to lower something's temperature)
18
to recharge, to charge up (=to add energy; e.g., to an electric battery)
20
gas (state of matter)
21
movement (physical motion)
DOWN
1
plutonium
3
pseudoscience
4
to steam (=to emit vapor or steam)
5
atomic physics 2 words
7
anatomy
8
alloy
13
tin (metal, element)
15
battery (electric)
16
mold, mould (fungus)
19
gene (biology)







