Memory Anchor:

• ENQUIRY: Planning
• Aim: To find out how the concentration of acid (rain) affects the rate of reaction with marble chips
The test for carbon dioxide is to bubble the gas through lime water. If it turns cloudy this is a positive result.

Super Challenge:

Stretch:

Challenge:

Key Questions:

1. What is it important that we recycle?
   • Resources on the Earth are limited, It's important that the way we behave now does not make life difficult or impossible for future generations.
2. What are the impacts on the Earth of increasing the amount of carbon dioxide in the Earth's atmosphere?
   • The result of increasing carbon dioxide in the Earth's atmosphere will lead to global warming (increase of the Earth's average surface temperature). This will lead to changes in weather patterns, causing drought in some places and flooding in others. Also polar ice caps will melt, raising sea levels and causing increased coastal erosion and flooding of low-lying land, including land where major cities lie.
3. The emissions of which gases result in the formation of acid rain?
   • Acid rain is most caused by emissions of sulfur dioxide and nitrogen oxide
4. How can you test for the presence of carbon dioxide gas?
   • Bubble the gas through limewater. If carbon dioxide is present then it will turn cloudy.
5. Are the Earth's resources infinite?
   • The Earth's resources are not infinite, they are limited.