What effect do greenhouse gases have on Earth's temperature?

• Make it variable

• No effect

• Cool it down

• Warm it up

Which gas is not mentioned as a greenhouse gas?

• Carbon dioxide

• Oxygen

• Methane

What is the main cause of global warming in modern times?

• Solar flares

• Volcanic eruptions

• Burning fossil fuels

What is one of the effects of global warming?

• Decreasing sea levels

• Melting ice caps and glaciers

• More ice formation

What can be grown in greenhouses in colder countries?

• Tropical plants

• Arctic flowers

What do greenhouse gases do in Earth's atmosphere?

• Reflect sunlight

• Produce oxygen

• Trap heat

What is a solution to reduce the amount of greenhouse gases?

• Plant more trees

• Increase industrial activities

• Reduce water usage

• Increase fossil fuel usage

What is the structure of a greenhouse made from?

• Wood

• Plastic

• Metal

• Glass or transparent materials

What would happen to Earth without any greenhouse gases?

• The Earth would be too warm

• The Earth would be too cool

• There would be no change

• The Earth would be perfect

What is not a consequence of global warming?

• Increased ice formation

• Drought

• More acidic oceans

• Rising sea levels