Biology
Physics
Computer science
100

What do trees do with carbon dioxide (CO2) in the air?

  • A. Turn it into oxygen
  • B. Turn it into food
  • C. Turn it into water
  • D. Turn it into sunlight

A. Turn it into oxygen

100

What is carbon dioxide (CO2)?

  • A. A type of rock
  • B. A type of gas
  • C. A type of liquid
  • D. A type of metal

B. A type of gas

100

What is a computer model?

  • A. A real-life tree
  • B. A program that simulates real-world events
  • C. A type of video game
  • D. A kind of robot

B. A program that simulates real-world events

200

How does cutting down trees (deforestation) affect the amount of carbon dioxide in the air?

  • A. It decreases carbon dioxide
  • B. It has no effect on carbon dioxide
  • C. It increases carbon dioxide
  • D. It turns carbon dioxide into water

 

C. It increases carbon dioxide

200

How does cutting down trees affect the amount of carbon dioxide in the air?

  • A. It decreases the amount of carbon dioxide
  • B. It keeps the amount of carbon dioxide the same
  • C. It increases the amount of carbon dioxide
  • D. It turns carbon dioxide into water

C. It increases the amount of carbon dioxide

200

How can computer models help us understand the effects of deforestation?

  • A. By creating pictures of trees
  • B. By predicting how much carbon dioxide will increase if trees are cut down
  • C. By counting the number of animals in the forest
  • D. By playing video games about forests

B. By predicting how much carbon dioxide will increase if trees are cut down

300

What happens to the carbon stored in the soil when trees are cut down? 

  • A. It stays in the soil forever
  • B. It gets released into the air as carbon dioxide
  • C. It turns into gold
  • D. It turns into water

B. It gets released into the air as carbon dioxide

300

When trees are burned after being cut down, what happens to the carbon in them?

  • A. It stays inside the tree stumps
  • B. It turns into water
  • C. It is released into the air as carbon dioxide
  • D. It disappears

C. It is released into the air as carbon dioxide

300

What kind of data might a computer use to simulate deforestation?

  • A. The color of the trees
  • B. The number of trees cut down and the amount of carbon they store
  • C. The shape of the leaves
  • D. The type of soil in the forest

B. The number of trees cut down and the amount of carbon they store

400

What is a 'carbon sink' in relation to forests?

  • A. A place where carbon is turned into water
  • B. A place where carbon is stored and absorbed
  • C. A place where carbon turns into gold
  • D. A place where carbon disappears

B. A place where carbon is stored and absorbed

400

Why does more carbon dioxide in the air contribute to global warming?

  • A. It makes the air cooler
  • B. It reflects sunlight away from the Earth
  • C. It traps heat in the atmosphere
  • D. It turns into rain

C. It traps heat in the atmosphere

400

Why do scientists use satellites in studying deforestation?

  • A. To take close-up pictures of leaves
  • B. To measure how much carbon dioxide is in the atmosphere
  • C. To count animals from space
  • D. To send messages to the trees

B. To measure how much carbon dioxide is in the atmosphere

500

Why is it bad for the environment if a rainforest loses many different types of plants and animals?

  • A. It makes the rainforest less interesting
  • B. It makes it harder for the rainforest to grow back and absorb carbon dioxide
  • C. It makes it easier for the rainforest to absorb more carbon dioxide
  • D. It turns carbon dioxide into water

B. It makes it harder for the rainforest to grow back and absorb carbon dioxide

500

How does deforestation change the energy balance of the Earth?

  • A. It increases the amount of heat absorbed by the Earth
  • B. It decreases the amount of sunlight reaching the Earth
  • C. It increases the amount of energy produced by the Sun
  • D. It has no effect on the Earth's energy balance

A. It increases the amount of heat absorbed by the Earth

500

How can computer algorithms help reduce the carbon footprint related to deforestation?

  • A. By creating more trees digitally
  • B. By optimizing reforestation efforts and predicting the best areas to plant new trees
  • C. By teaching animals to plant trees
  • D. By changing the color of the sky

B. By optimizing reforestation efforts and predicting the best areas to plant new trees