EU Week 3 & 4

What are the 4 stages of the water cycle?

• Germination, pollination,

  seedling,

  seed dispersal

• Evaporation,

  condensation,

  precipitation,

  collection

• Heating,

  cooling,

  condensation,

  freezing.

• Collection,

  evaporation,

  raining,

  snowing

What is stage 1 in the water cycle?

• I don't know

• Precipitation

• Collection

• Evaporation

What is stage 2 in the water cycle?

• Collection

• Condensation

• Evaporation

• I don't know

What is stage 3 of the water cycle?

• Precipitation

• I don't know

• Collection

• Condensation

What is stage 4 of the water cycle?

• I don't know

• Collection

• Evaporation

• Precipitation

Why is water important for plants?

• To grow

• To wash

• To swim

• So they can play with their friends

What is acid rain?

• Rain water mixed with sulphur dioxide (SO2二氧化硫) and nitrogen oxide (NO2二氧化氮)

• Rain water mixed with oxygen

• Rain water mixed with carbon dioxide (CO2)

• I don't know

How does acid rain form naturally?

• People throwing litter on the ground

• I don't know

• Dying plants and erupting volcanoes

• Using too much electricity

How do humans cause acid rain? (choose all that apply)

• Burning fossil fuels

• Smoke from vehicles

• Chemicals from factories

• I don't know

What changes in the rain to make it acidic?

• Temperature

• pH

• Size

• I don't know