1
Q
80% of the atmosphere is…
A
Nitrogen
2
Q
20% of the atmosphere is…
A
Oxygen
3
Q
What are the two smaller proportions of the atmosphere?
A
Water vapour, carbon dioxide
4
Q
Symbol for nitrogen, chemical?
A
N²
5
Q
Which gas has 1% proportion?
A
Argon
6
Q
Word equation for respiration:
A
Glucose and oxygen to carbon dioxide and water
7
Q
Respiration is…
A
Respiration is the chemical process that occurs inside cells to release energy from glucose when it reacts with oxygen
Physics (Science Blue) Yr 8
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