Atmosphere

Layers of gas surrounding earth

Atmosphere

Layers of gas surrounding earth

Lithioshphere

Earth, solid outer layer

Hydrosphere,

All of the water on above or below Earth surface

Biosphere

An area where life can exist on earth

Photosynthesis

Light energy+ carbon dioxide+ water-glucose+ oxygen

Cellular respiration

Glucose+ oxygen-carbon dioxide+ water+ energy

What does photosynthesis occur in?

Plants

cellular respiration

Plants and animals

greenhouse effect?

A process that helps keep our planet warm enough so we can be alive

4 main greenhouse gases?

Carbon dioxide, methane, water vapour, nitrous oxide

how the climate on earth has changed

Fossils, ice cores, tree/coral rings, journalist/pictures from the past

How are humans changing the climate? CO2

Transportation

How are humans changing the climate? CH4

Landfills