Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2026-07-06
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
magnet
8
fluoride
9
acid (chemistry)
11
titanium
13
microscopic (very small)
17
to melt, to thaw (=to become a liquid)
19
fertilizer (for soil, land)
20
to analyze, to analyse
21
bubble
DOWN
1
chain reaction 3 words
3
moldy, mouldy (covered with mold)
4
prototype
5
smog
6
zinc (metal, element)
7
genetic
10
fuel (to power an engine)
12
copper (metal, element)
14
to recharge, to charge up (=to add energy; e.g., to an electric battery)
15
to plug in (=to connect an electrical device)
16
atom
18
sodium
ACROSS
2
magnet
8
fluoride
9
acid (chemistry)
11
titanium
13
microscopic (very small)
17
to melt, to thaw (=to become a liquid)
19
fertilizer (for soil, land)
20
to analyze, to analyse
21
bubble
DOWN
1
chain reaction 3 words
3
moldy, mouldy (covered with mold)
4
prototype
5
smog
6
zinc (metal, element)
7
genetic
10
fuel (to power an engine)
12
copper (metal, element)
14
to recharge, to charge up (=to add energy; e.g., to an electric battery)
15
to plug in (=to connect an electrical device)
16
atom
18
sodium







