ESS Yr 10 unit review 1

Which process within the water cycle occurs after evaporation?

• Run-off

• Precipitation

• Condensation

• Accumulation

What do denitrifying bacteria do?

• Convert nitrogen gas into ammonia

• Convert dead organisms into ammonia

• Turns ammonia into nitrates

• Turns nitrates back into nitrogen gas

What happens to Carbon Dioxide in water?

• It expands

• It disappears

• It shrinks

• It dissolves

Which gas is most plentiful in our atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Water Vapour

What do you call the process of plants taking nitrates from the soil?

• Nitrogen fixation

• Assimilation

• Ammonification

• Nitrification

Fossil fuels are formed by:

• Dead organisms

• Collecting old waste

• Combustion

• Bacteria

The surface of the Earth affects climate by:

• Changing the amount of sunlight it receives

• Reflecting or absorbing heat

• Changing our seasons

• All of the above

A negative Indian Ocean Dipole means that the warm water temperatures in the Indian Ocean near Australia will lead to:

• Increased rainfall in the North of Australia

• Decreased rainfall in the North of Australia

• Increased rainfall in the South of Australia

• Decreased rainfall in the South of Australia