Our Changing Planet - Interactive Activities

1. Since 1900, by about how much has the global temperature gone up?

About 10 °C Around 1.0 °C Around 0.1 °C Exactly 2.0 °C already

2. An increase of 2 °C in global temperatures could result in extinction for about what share of the world’s land species?

About 10% About 30% About 50% About 2%

3. The Northwest Passage runs along the northern coast of which country?

Canada Russia Norway Greenland

4. Experts predict that global sea levels could rise by about how much by the end of the century?

3–12 cm 30.5–122 cm 300–400 cm 0–5 cm

5. More than how much of the world’s mangrove forests have been destroyed in the last few decades?

Less than 10% More than one-third Exactly 50% All of them

6. Around what percentage of the world’s coral reefs have been destroyed in the last few decades?

Around 10% Around 50% Around 90% Around 1%

7. What percentage of the land on Earth is now used for growing food?

18% 38% 58% 8%

8. What is the main cause of climate change, according to the passage?

Only natural changes in the sun The huge amount of greenhouse gases in the atmosphere Too much oxygen in the atmosphere Only wind power

9. As a result of human activities, CO₂ levels are now at their highest in how long?

800 years 8,000 years 800,000 years 80 years

10. Which examples of renewable energy does the passage mention?

Solar energy, hydroelectric energy, and wind power Coal, oil, and gas only Wood fires only Nuclear power only

Interactive Activities

Reading Instructions

Before You Begin

Discussion Activities

🌡️ Temperature and species

🧊 The Arctic route

🌊 Sea levels and islands

🌿 Ecosystems, food, and health

⚡ Causes and solutions

Multiple Choice Quiz

1. Since 1900, by about how much has the global temperature gone up?

2. An increase of 2 °C in global temperatures could result in extinction for about what share of the world’s land species?

3. The Northwest Passage runs along the northern coast of which country?

4. Experts predict that global sea levels could rise by about how much by the end of the century?

5. More than how much of the world’s mangrove forests have been destroyed in the last few decades?

6. Around what percentage of the world’s coral reefs have been destroyed in the last few decades?

7. What percentage of the land on Earth is now used for growing food?

8. What is the main cause of climate change, according to the passage?

9. As a result of human activities, CO₂ levels are now at their highest in how long?

10. Which examples of renewable energy does the passage mention?

Quiz Results

Fill in the Blanks

Results

True or False

1. Since 1900 the global temperature has gone up by around 1.0 °C.

2. In the past, the Northwest Passage was often easy to use because the water was never frozen.

3. Around 50% of the world’s coral reefs have been destroyed in the last few decades.

4. As a result of human activities, CO₂ levels are now at their highest in 800,000 years.

5. The passage says we should stop burning fossil fuels and use renewable energy instead.

Results