These are ten questions (and answers) that cover specification point 4.9.1 (Composition and evolution of the Earth’s atmosphere) of the C9 Chemistry of the atmosphere topic. These work perfectly as a starter or plenary in a lesson or even a revision activity. It also promotes self/peer/green pen as the answers are on the powerpoint.
**FOUR DIFFERENT RESOURCES **includes:
Two powerpoints that go through the 10 questions (Foundation and Higher) with answers at the end (for easy self/peer marking in class.
Two worksheets: these are able to be printed out if you would like for your class to write down their answers (perfect for a less able group).
All files are PowerPoints that are fully adaptable to suit you/your students.
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