Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2025-04-26
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
7
atomic nucleus
8
paradox
10
organism
12
fuel (to power an engine)
15
atomic physics
16
theory
17
inventor
18
reflex (automatic response to a stimulus)
DOWN
1
copper (metal, element)
2
to recharge, to charge up (=to add energy; e.g., to an electric battery)
3
nuclear weapon, atomic bomb
4
helium
5
to analyze, to analyse
6
gravity, gravitation
9
prototype
11
nitrogen
13
to drip (=to fall one drop at a time)
14
magnet
ACROSS
7
atomic nucleus
8
paradox
10
organism
12
fuel (to power an engine)
15
atomic physics
16
theory
17
inventor
18
reflex (automatic response to a stimulus)
DOWN
1
copper (metal, element)
2
to recharge, to charge up (=to add energy; e.g., to an electric battery)
3
nuclear weapon, atomic bomb
4
helium
5
to analyze, to analyse
6
gravity, gravitation
9
prototype
11
nitrogen
13
to drip (=to fall one drop at a time)
14
magnet