7th grade Test Q4

What are the effects of global warming?

• Rising sea levels, melting ice caps and glaciers, more frequent and severe weather events, changes in ecosystems and biodiversity, and negative impacts on human health and economies.

• Improved agricultural productivity and increased crop yields due to longer growing seasons.

• Decreased temperatures and colder climates, leading to an ice age.

• Decreased rainfall and droughts, increased desertification, and water scarcity.

What is carbon footprint?

• The amount of carbon dioxide released by plants during photosynthesis.

• The measurement of carbon emissions from vehicles and factories.

• The total amount of greenhouse gases released into the atmosphere as a result of human activities.

• The total amount of carbon stored in the Earth's atmosphere.

What is the primary greenhouse gas responsible for global warming?

• carbon dioxide (CO2)

• methane (CH4)

• oxygen (O2)

• nitrogen (N2)

Average weather of a place over many years

• weather

• climate

• temperature

• average climate

Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.

• water
• gases
• heat
• water vapor

The gradual increase in the temperature of the atmosphere is known as ___________________.

• sunspots
• global warming
• ice ages
• arid

The impact on the planet due to global warming is called...

• climate change
• the seasons
• the weather
• natural change

Which of the following is NOT evidence of global warming?

• Sea level rising
• Loss of Arctic Sea Ice
• Less Water Vapor in the Air
• More extreme weather events

The amount of carbon dioxide CO₂ in the atmosphere is decreasing. 

• True
• False

Global Warming does not affect humans, only plants and animals

• True
• False