Gas Exchange: Real-World Application in Automotive Technology
Science
Grade 8
10 questions
~20 mins
1 views0 downloads
About This Worksheet
This worksheet explores the process of gas exchange within the context of automotive technology, highlighting how principles of respiration are applied in real-world industries.
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Gas Exchange: Real-World Application in Automotive Technology
Subject: ScienceGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Introduction to Gas Exchange in Automotive Context
Read the introduction carefully and answer the questions that follow.
1.
Explain the process of gas exchange in the human respiratory system and how this principle is utilized in automotive emission control systems.
[6 marks]2.
Define 'diffusion' in the context of gas exchange.
[2 marks]B
Concept Review
Answer the following questions to review key concepts.
1.
What are the main gases involved in human respiration, and what are their roles?
[3 marks]2.
Describe the structure of alveoli and explain why they are suited for gas exchange.
[4 marks]C
Calculations and Measurements
Solve the following numerical problems related to gas exchange.
1.
Calculate the volume of oxygen consumed if a person inhales 500 ml of air, which contains 21% oxygen, and exhales 500 ml of air containing 15% oxygen. Use the formula: Volume of oxygen = (Inhaled volume x inhaled oxygen %) - (Exhaled volume x exhaled oxygen %).
[4 marks]D
Practical Skills and Industry Application
Answer the theoretical questions about experiments and industry practices.
1.
Design a basic experiment to measure the effect of different types of automotive exhaust gases on human lung cells in a laboratory setting. Identify the independent and dependent variables, and mention safety precautions.
[6 marks]2.
Discuss how catalytic converters in cars reduce harmful gas exchange and improve air quality.
[3 marks]E
Data Analysis and Scenario Interpretation
Interpret the following data scenario.
1.
A study reports that after the installation of emission control devices, the average concentration of nitrogen oxides (NOx) in urban air decreases by 30%. Explain how this change relates to the process of gas exchange and combustion in engines.
[4 marks]F
Application in Industry and Daily Life
Answer the following questions applying your understanding of gas exchange.
1.
Explain how advancements in automotive technology that improve gas exchange efficiency can benefit public health.
[6 marks]2.
Fill in the blank: The process of gas exchange in automotive engines primarily occurs during __________ in the combustion chamber, similar to how it occurs in alveoli during respiration.
[1 mark]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet