Air is a mixture of gases that surrounds the Earth. It mainly contains nitrogen, oxygen, carbon dioxide, and water vapour. The atmosphere is the layer of air that protects life on Earth by blocking harmful rays and maintaining temperature. Air pressure, wind, and weather patterns are all related to the atmosphere. Learning about air and atmosphere helps us understand the importance of air for breathing and life processes. Air & Atmosphere Quiz for Grade 7 also teaches us about air pollution and the need to keep the air clean. Try these 10 questions to check how well you understand air and the atmosphere.
| Topic | Quiz |
|---|---|
| Acids, Bases, and Salts | Quiz on Acids, Bases, and Salts |
| Adaptations to Environmental Conditions | Quiz on Adaptations to Environmental Conditions |
| Atoms and Ions | Quiz on Atoms and Ions |
| Physical and Chemical Transformations | Quiz on Physical and Chemical Transformations |
| Electricity and its Effects | Quiz on Electricity and its Effects |
| Understanding Air and Atmosphere | Quiz on Understanding Air and Atmosphere |
| Thermal Energy and Heat Transfer | Quiz on Thermal Energy and Heat Transfer |
| Light and Sound | Quiz on Light and Sound |
| Dynamics of Mass and Motion | Quiz on Dynamics of Mass and Motion |
| Nutritional Processes in Living Organisms | Quiz on Nutritional Processes in Living Organisms |
| Plant Reproduction | Quiz on Plant Reproduction |
| Respiration and Gas Exchange | Quiz on Respiration and Gas Exchange |