B6 - Biofuel Crossword

This crossword is about Biofuels, Biogas and Biogas Digesters, its simple enough if you know your stuff. There are 10 answers.

 

?
Large scale biogas production uses ............
Sludgewaste
1 of 15
Biogas is made from 70% ....... and (Clue 15)% carbon dioxide
Methane
2 of 15
Biogas digesters are made from ..... waste and animal poo
Plant
3 of 15
Biogas digesters need to be kept at the ....... temperature (30-40 degrees C)
Optimum
4 of 15
Biofuels are made from biomass, biogas and ..........
Bioethanol
5 of 15
There are disadvantages to biogas, 10% of methane could .......
Explode
6 of 15
Biogas can be burned to heat water and produce steam for the ....... ....... .......
Central Heating System
7 of 15
Biogas can be used as a fuel for ....
Cars
8 of 15
Biogas is ...... to power tubines and generate electricity
Burned
9 of 15
When biomass is ......... by yeast, biogas is created
Fermented
10 of 15
Biogas contains traces of hydrogen, ........ and hydrogen sulfide
Nitrogen
11 of 15
Biogas is better for the ........... than burning fossil fuels.
Environment
12 of 15
Biogas is easy to ....... and won't run out
Produce
13 of 15
..% of methane is safe to burn
50
14 of 15
..% carbon dioxide is in biogas
30
15 of 15

Other cards in this set

Card 2

Front

Biogas is made from 70% ....... and (Clue 15)% carbon dioxide

Back

Methane

Card 3

Front

Biogas digesters are made from ..... waste and animal poo

Back

Preview of the front of card 3

Card 4

Front

Biogas digesters need to be kept at the ....... temperature (30-40 degrees C)

Back

Preview of the front of card 4

Card 5

Front

Biofuels are made from biomass, biogas and ..........

Back

Preview of the front of card 5
View more cards

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