Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2025-08-16
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
ACROSS
3
helium
6
solid (not liquid or gas)
7
fluorine
8
to plug in (=to connect an electrical device)
11
moldy, mouldy (covered with mold)
12
fertilizer (for soil, land)
16
sulfur, sulphur
17
calcium
18
crystal
DOWN
1
time travel 3 words
2
corrosion
3
hypothesis
4
to inflate (=to fill with gas or air)
5
to recharge, to charge up (=to add energy; e.g., to an electric battery)
9
gravity, gravitation
10
resistance (physics; force that tends to oppose motion)
13
theory
14
zinc (metal, element)
15
chlorine
ACROSS
3
helium
6
solid (not liquid or gas)
7
fluorine
8
to plug in (=to connect an electrical device)
11
moldy, mouldy (covered with mold)
12
fertilizer (for soil, land)
16
sulfur, sulphur
17
calcium
18
crystal
DOWN
1
time travel 3 words
2
corrosion
3
hypothesis
4
to inflate (=to fill with gas or air)
5
to recharge, to charge up (=to add energy; e.g., to an electric battery)
9
gravity, gravitation
10
resistance (physics; force that tends to oppose motion)
13
theory
14
zinc (metal, element)
15
chlorine







