Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2025-03-20
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
2
calcium
7
nitrogen
8
bubble
9
corrosive
12
fossil (remains of life form)
14
vacuum (region that contains no matter)
16
empirical (based on experience)
17
time travel 3 words
18
lubricant
DOWN
1
matter (physics)
3
acid (chemistry)
4
metabolism
5
mold, mould (fungus)
6
helium
9
fuel (to power an engine)
10
sodium
11
chemical (relating to chemistry)
13
silicon
15
to steam (=to emit vapor or steam)
ACROSS
2
calcium
7
nitrogen
8
bubble
9
corrosive
12
fossil (remains of life form)
14
vacuum (region that contains no matter)
16
empirical (based on experience)
17
time travel 3 words
18
lubricant
DOWN
1
matter (physics)
3
acid (chemistry)
4
metabolism
5
mold, mould (fungus)
6
helium
9
fuel (to power an engine)
10
sodium
11
chemical (relating to chemistry)
13
silicon
15
to steam (=to emit vapor or steam)