Turning CO2 into Stone: A Solution to Climate Change?

What is the main cause of the increase in global temperatures according to the video?

• Deforestation

• Water pollution

• Carbon dioxide emissions

• Methane emissions

What is the chemical process used to turn CO2 into stone?

• Formation of calcium carbonate

• Electrolysis

• Photosynthesis

• Oxidation

What natural process is mimicked by turning CO2 into stone?

• Natural weathering of rocks

• Condensation

• Photosynthesis

• Evaporation

What is the role of calcium in the process of turning CO2 into stone?

• It acts as a catalyst

• It forms calcium carbonate with CO2

• It dissolves CO2

• It oxidizes CO2

What is a key factor in making CO2 sequestration more efficient?

• Reducing the amount of CO2

• Using more porous rocks

• Increasing the temperature

• Combining science with engineering

Which type of rock is used in the CarbFix project to convert CO2 into stone?

• Granite

• Limestone

• Basaltic rock

• Sandstone

What percentage of the Earth's ocean floor is made up of basaltic rocks?

• 100%

• 90%

• 70%

• 50%

Which location is mentioned as a potential site for a CO2 sequestration demonstration project?

• Cascadia Basin

• Hawaii

• Amazon Rainforest

• Great Barrier Reef

What is the potential benefit of using wind power in CO2 sequestration?

• It provides a renewable energy source for the process

• It decreases the cost of materials

• It increases the speed of CO2 conversion

• It reduces the need for water

What is a major challenge in implementing CO2 sequestration technologies?

• Public opposition

• Insufficient natural resources

• High cost compared to emitting CO2

• Lack of scientific knowledge