Exploring Earth's Cycles and Processes

Which process in the carbon cycle involves the conversion of carbon dioxide into organic compounds by plants?

• Respiration

• Photosynthesis

• Combustion

• Decomposition

What is the process called when water vapour cools and changes back into liquid droplets?

• Evaporation

• Condensation

• Precipitation

• Transpiration

Which of the following is NOT one of Earth's four systems?

• Atmosphere

• Hydrosphere

• Lithosphere

• Asthenosphere

What type of rock is formed from the cooling and solidification of magma or lava?

• Sedimentary

• Metamorphic

• Igneous

• Fossiliferous

Which process in the carbon cycle releases carbon dioxide back into the atmosphere from living organisms?

• Photosynthesis

• Respiration

• Combustion

• Decomposition

What is the stage of the water cycle where water is absorbed by plant roots and released as vapour through leaves?

• Evaporation

• Transpiration

• Infiltration

• Runoff

How do the hydrosphere and atmosphere interact in the water cycle?

• Through photosynthesis

• Through evaporation and precipitation

• Through rock formation

• Through soil erosion

Which type of rock is formed from the accumulation and compaction of mineral and organic particles?

• Igneous

• Metamorphic

• Sedimentary

• Volcanic

What is the primary role of photosynthesis in the carbon cycle?

• To release carbon dioxide

• To convert carbon dioxide into oxygen

• To convert carbon dioxide into glucose

• To decompose organic matter

Which gas is a major contributor to the greenhouse effect?

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon