Chemistry of the atmosphere

What main gases were present in the earths early atmosphere

Carbon dioxide, water vapour ,ammonia

What main gases did Volcanoes release

Carbon dioxide and water vapour

What are the main gases in earths Atmosphere today

Carbon dioxide ,oxygen ,nitrogen ,water vapour

What 2 planets have earths early atmosphere today?

Mars and Venus

What has happened to oxygen levels in the Atmosphere over time

Increased

What has happened nitrogen levels in the atmosphere overtime?

Increased

What has happened to carbon dioxide levels in the atmosphere over time?

Decreased

What has happened to Water vapour levels overtime

Decreased

what is the word equation for photosynthesis?

Carbox dioxide + water → oxygen+ glucose

What is a greenhouse gas?

A gas which absorbs heat

What are two greenhouse gas?

Methane, carbon dioxide

What is the name of two human activities which increase the level of carbon dioxide in the atmosphere?

Deforestation and burning fossil fuels

What is the name of two human activities which increase the level of methane in the atmosphere?

Landfills and animal farming

What is the name of the process where greenhouse gases in the atmosphere trap heat and make Earth warmer

Greenhouse effect

What is it meant by global warming?

The increase in earths surface temperature

What is meant by climate change?

Change in the average weather pattern in the area

What is the term for total amount of carbon dioxide and other greenhouse gases emitted over the full life-cycle of a product surface or event?

Carbon footprint

4 main impact of Climate change

Ice caps melting, Rising sea levels, Habitat Destruction, More extreme weather

what is combustion

A reactant where a fuel is burnt in oxygen to release energy

What are the two types of combustion?

Incomplete and complete combustion

What problem does carbon monoxide?

Its toxic

What environmental problem does carbon dioxide cause?

Global warming

What environmental problem do carbon particulates cause

Global dimming

What environmental problem do sulphur dioxide and nitrogen oxide cause?

Acid rain