Biogeochemical Cycles

Which biogeochemical cycle is occurring above?

• Carbon cycle

• Water cycle

• Rock Cycle

What is transpiration?

• Water falling from the sky

• Water runoff into a river

• Water from the leaves of plants into the air

What biogeochemical cycle is occuring?

• Water cycle

• Carbon Cycle

What is one way carbon is released into the atmosphere?

• Burning fossil fuels

• Evaporation of water

• Photosynthesis

What is a greenhouse gas?

• A gas that makes the atmosphere cooler

• a gas that contributes to the greenhouse effect by absorbing heat

How is carbon stored on earth?

• Burning fossil fuels

• Underground in the form of fossil fuels

• Erupting Volcanoes

Which is NOT a process of the water cycle?

• precipitation
• freezing
• transpiration
• evaporation

What converts nitrogen into a useable form for plants and animals?

• bacteria
• fungi
• rain

Which nutrient is not cycled through the atmosphere?

• carbon
• nitrogen
• phosphorous
• water

This is released by the weathering of rocks.

• Carbon
• Oxygen
• Phosphorus
• Nitrogen