Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2021-09-04
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
ACROSS
3
rust
5
uranium
7
molecule
8
empirical (based on experience)
10
gene (biology)
12
microscopic (very small)
14
calcium
15
atom
17
atom
18
gender, sex
19
helium
20
caffeine
DOWN
1
chromium
2
microscope
4
to freeze (to lower something's temperature)
6
platinum
7
molecule
9
to accelerate, to speed up
11
acid (chemistry)
13
hypothesis
14
chlorine
16
alloy
ACROSS
3
rust
5
uranium
7
molecule
8
empirical (based on experience)
10
gene (biology)
12
microscopic (very small)
14
calcium
15
atom
17
atom
18
gender, sex
19
helium
20
caffeine
DOWN
1
chromium
2
microscope
4
to freeze (to lower something's temperature)
6
platinum
7
molecule
9
to accelerate, to speed up
11
acid (chemistry)
13
hypothesis
14
chlorine
16
alloy







