Acid rain damage, scrubbers, monitoring and models
Answers are for parents and teachers.
1
Check the atoms: how many oxygen atoms are on each side of H₂SO₄ + CaCO₃ → CaSO₄ + CO₂ + H₂O?
Left: 4 + 3 = 7. Right: 4 + 2 + 1 = 7.
2
The average temperature is 25 °C. Give the range after warming of 1.5 to 2 °C.
26.5 °C to 27 °C.
3
A forecast gives a 20% chance of a heat wave on each of 10 days. About how many days should have one?
20 ÷ 100 × 10 = 2 days.
4
Explain why we say forecasts can “help managers” but cannot “save” a reef from heat.
They allow other stresses to be reduced, but they do not cool the sea, and bleaching can still be severe.
5
Name two things a weather station measures that a satellite cannot easily give exactly on the ground.
For example: local temperature and wind speed at a town.