Difficulty level:
Difficulty:
A1-B1
Theme:
Science
Date:
2026-08-03
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
4
biology
7
hydrogen
8
petrol, gasoline
9
bomb
14
scientific
16
to freeze (=to become solid due to low temperature)
17
cable, wire (metal conductor that carries electricity)
18
light (from sun, lamp)
19
to pour (=to cause liquid to flow)
20
race (human categorization)
21
keyboard (of a computer)
DOWN
1
speed, velocity
2
element (chemistry) 2 words
3
plug (electrical connecting device)
5
air
6
salt
10
to boil (=to begin to turn into vapour)
11
research
12
liquid (flowing like water)
13
metal
15
to prove (theory, statement, etc.)
ACROSS
4
biology
7
hydrogen
8
petrol, gasoline
9
bomb
14
scientific
16
to freeze (=to become solid due to low temperature)
17
cable, wire (metal conductor that carries electricity)
18
light (from sun, lamp)
19
to pour (=to cause liquid to flow)
20
race (human categorization)
21
keyboard (of a computer)
DOWN
1
speed, velocity
2
element (chemistry) 2 words
3
plug (electrical connecting device)
5
air
6
salt
10
to boil (=to begin to turn into vapour)
11
research
12
liquid (flowing like water)
13
metal
15
to prove (theory, statement, etc.)







