Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2026-06-26
Click on an empty cell for your first clue.
1
2
3
4
5
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7
8
9
10
11
12
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14
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18
19
ACROSS
1
acceleration
5
sulfur, sulphur
6
calcium
8
lubricant
11
sodium
12
alloy
14
tin (metal, element)
15
caffeine
17
to poison
18
helium
19
paradox
DOWN
1
nitrogen
2
evolution (biology)
3
chain reaction 3 words
4
matter (physics)
7
chemical (relating to chemistry)
9
analysis
10
potassium
13
to freeze (=to lower something's temperature)
14
to drain (=to remove liquid from)
16
gas (state of matter)
ACROSS
1
acceleration
5
sulfur, sulphur
6
calcium
8
lubricant
11
sodium
12
alloy
14
tin (metal, element)
15
caffeine
17
to poison
18
helium
19
paradox
DOWN
1
nitrogen
2
evolution (biology)
3
chain reaction 3 words
4
matter (physics)
7
chemical (relating to chemistry)
9
analysis
10
potassium
13
to freeze (=to lower something's temperature)
14
to drain (=to remove liquid from)
16
gas (state of matter)