Difficulty level:
Difficulty:
B2-C2
Theme:
Science
Date:
2021-03-17
Click on an empty cell for your first clue.
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ACROSS
1
rust
3
copper (metal, element)
9
platinum
10
genetics
11
to freeze (to lower something's temperature)
13
chlorine
14
sodium
15
gene (biology)
16
hypothesis
19
gender, sex
20
organism
DOWN
2
uranium
4
acid (chemistry)
5
evolution (biology)
6
alloy
7
gas (state of matter)
8
tin (metal, element)
9
paradox
12
helium
13
to recharge, to charge up (an electric battery)
16
iodine
17
zinc (metal, element)
18
chromium
19
gas (state of matter)
ACROSS
1
rust
3
copper (metal, element)
9
platinum
10
genetics
11
to freeze (to lower something's temperature)
13
chlorine
14
sodium
15
gene (biology)
16
hypothesis
19
gender, sex
20
organism
DOWN
2
uranium
4
acid (chemistry)
5
evolution (biology)
6
alloy
7
gas (state of matter)
8
tin (metal, element)
9
paradox
12
helium
13
to recharge, to charge up (an electric battery)
16
iodine
17
zinc (metal, element)
18
chromium
19
gas (state of matter)