The World in 2050

What is the main challenge the world is facing according to the text?

• Increasing the number of cities

• Decreasing the population

• Building more cars

• Racing against time to innovate for sustainability

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-1

NGSS.HS-LS2-7

What is the predicted number of cars on the planet by 2050?

• Over 3 billion

• Nearly 2 billion

• About 500 million

• Close to a billion

What started commercial production of ethanol as fuel in Brazil?

• The discovery of sugarcane in 1980

• The oil crisis in 1973

• The invention of the car

• The ethanol program in 1975

What is the main reason for Brazil's shift to ethanol use?

• To become the leading exporter of ethanol

• To reduce carbon emissions

• Lack of money to buy oil

• To increase sugarcane production

Tags

NGSS.HS-ETS1-3

What is the energy output ratio for sugarcane ethanol production in Brazil?

• Equal to the energy input

• About 7 times the energy input

• About 2 times the energy input

• Less than the energy input

Tags

NGSS.HS-PS3-1

What is synthetic biology used for in the context of the text?

• Creating artificial intelligence

• Engineering yeast for fuel production

• Developing new types of electric cars

• Building more efficient solar panels

What is the main goal of Masdar City?

• To become a major tourist attraction

• To be the world's largest city

• To be a model for sustainable urban development

• To increase the use of fossil fuels

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-1

NGSS.HS-LS2-7

What technology does Masdar City use to generate electricity?

• Solar panels

• Coal-fired power stations

• Hydroelectric dams

• Nuclear power plants

Tags

NGSS.HS-PS3-3

What is the main advantage of platooning in heavy-duty vehicles?

• Easier parking

• Reduced air drag and fuel consumption

• More cargo space

• Increased speed

What is the main challenge with solar energy mentioned in the text?

• It causes pollution

• It is too expensive

• It requires too much space

• It doesn't work at night