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Learning objective

Define greenhouse gases as gases that absorb infrared radiation emitted from the Earth's surface.

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Topic

Carbon dioxide and methane as greenhouse gases

Subtopic

Greenhouse gases

Aqa Gcse ChemistryChemistry of the atmosphere

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Quick explanation

Define greenhouse gases as gases that absorb infrared radiation emitted from the Earth's surface

  • This point belongs to Carbon dioxide and methane as greenhouse gases, especially Greenhouse gases.
  • You need to be able to define greenhouse gases as gases that absorb infrared radiation emitted from the Earth's surface.
  • The key ideas to know are greenhouse gas and infrared radiation.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

greenhouse gasinfrared radiation

Why it matters

This objective helps connect Greenhouse gases to exam-style questions, flashcards, and revision notes for Carbon dioxide and methane as greenhouse gases.

Quick student answer

What is greenhouse gases?

Direct answer

In Chemistry, this page helps you answer questions about greenhouse gases within Carbon dioxide and methane as greenhouse gases. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are greenhouse gas and infrared radiation.

Key terms

  • greenhouse gas: In Greenhouse gases, greenhouse gas means gases that absorb infrared radiation emitted from the Earth's surface. This matters in Carbon dioxide and methane as greenhouse gases because it supports the learning objective to define greenhouse gases as gases that absorb infrared radiation emitted from the Earth's surface. Use greenhouse gas only in this subtopic-relevant sense so the definition stays concise, curriculum-specific, and useful for AQA GCSE Biology revision. Students should use this term accurately when they explain the biology, identify symptoms, or justify an answer in GCSE Biology questions.
  • infrared radiation: In Greenhouse gases, infrared radiation is used for the exam wording focus of this objective: Define greenhouse gases as gases that absorb infrared radiation emitted from the Earth's surface. Use the term in this specific atmospheric chemistry context so it is not confused with related greenhouse-gas, pollutant, or climate-change vocabulary.

Common trap

Misunderstanding Greenhouse Gases: Remember that greenhouse gases specifically absorb infrared radiation emitted from the Earth's surface, not all gases.

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Question 1

In Greenhouse gases, which option helps you explain the consequence in the atmosphere: Define greenhouse gases as gases that absorb infrared radiation emitted from the Earth's surface?

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