Fill in each blank with the correct word from the lesson.

1. Imagine Earth without any _______.
2. Through _______, trees absorb enormous amounts of carbon dioxide from the air — the gas responsible for global warming — and release fresh oxygen in return.
3. The Amazon rainforest alone produces about twenty percent of Earth's _______.
4. The air would fill with _______.
5. They also keep _______s cooler.

Choose the best option for each question.

1. Why are forests called 'Earth's lungs'?
   a) They breathe like animalsb) They absorb CO₂ and release oxygenc) They store water undergroundd) They block the wind
2. How do tree roots help with rainfall?
   a) They make it rain moreb) They send water into cloudsc) They hold soil and slowly release water into streamsd) They block water from reaching rivers
3. What happens to rivers when forests are cut down?
   a) Rivers flow fasterb) Rivers get more waterc) Floods occur then rivers dry upd) Nothing changes

Write T for True or F for False in the brackets.

1. They absorb CO₂ and release oxygen is one of the key concepts in the lesson on Why Forests Matter.
2. They breathe like animals is the main topic of this lesson.
3. They hold soil and slowly release water into streams is one of the key concepts in the lesson on Why Forests Matter.
4. They make it rain more is the main topic of this lesson.

1. In your own words, explain what Why Forests Matter means.
2. List two things you learned from this lesson on Why Forests Matter.