Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2025-11-09
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
ACROSS
1
reflex (automatic response to a stimulus)
6
potassium
7
fuel (to power an engine)
9
to freeze (=to lower something's temperature)
14
acceleration
15
iodine
16
empirical (based on experience)
17
to poison
DOWN
1
chain reaction 3 words
2
fossil (remains of life form)
3
sodium
4
zinc (metal, element)
5
chromium
8
silicon
10
sulfur, sulphur
11
theory
12
barren, sterile (unable to bear children)
13
steam, vapour
ACROSS
1
reflex (automatic response to a stimulus)
6
potassium
7
fuel (to power an engine)
9
to freeze (=to lower something's temperature)
14
acceleration
15
iodine
16
empirical (based on experience)
17
to poison
DOWN
1
chain reaction 3 words
2
fossil (remains of life form)
3
sodium
4
zinc (metal, element)
5
chromium
8
silicon
10
sulfur, sulphur
11
theory
12
barren, sterile (unable to bear children)
13
steam, vapour