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Respiration: Worksheets
Students’ worksheet
The three stages in respiration Skim through the three sections on the process of respiration and label the boxes to show the three stages in respiration
Teacher’s planning
Content objective: Students should be able to name the 3 stages in respiration in the correct sequence. Knowledge structure: Sequence Language objective: Students should be able to use the following phrases to name the 3 stages in respiration in the correct sequence. Vocabulary: ventilation of the lungs, gaseous exchange, tissue respiration
Permission for others to use it or reprint it should be sought from the author(s). Ventilation of the lungs Read the last paragraph about ventilation of the lungs. Label the diagram below and draw the route the air takes to go in and out of the lungs. Content objectives:
1. Students should be able to name the organs in the
respiratory system and show understanding of the route the air takes to go in and out of the lungs.
2. Students should be able to describe the process
of ventilation of the lungs. Knowledge structure: Sequence Text structure: Process description [Definition of the process to describe ^Description sequence] Language objectives:
1. Students should be able to use the following
vocabulary to name the organs of the respiratory system. Vocabulary: larynx, trachea, bronchus, bronchiole, alveoli, inhale, exhale
2. Students should be able to write a description
sequence to describe the process of ventilation of lungs. Sentence structures: …… is the process by which …… This process is the … stage in … When we inhale / exhale, …… enters, passes through, goes/gets into/out of, the which relative clause
Permission for others to use it or reprint it should be sought from the author(s). we exhale, air containing less oxygen but much more carbon dioxide goes back from the alveoli to the bronchioles and then to the bronchi. From the bronchi, air ______________ the trachea and the larynx and then __________________ the respiratory system through the mouth and the nose. Refer to the diagram on the breathing mechanism on the last page of the reading material. Write a ‘process explanation’ to explain how air is forced into and out of the lungs. Remember when explaining a process, you need to include 2 parts in your writing: the first part is the definition of the process to explain; the second part is the explanation sequence. Remember the purpose of each part and make sure what you write achieves the purpose. Definition of the process to explain:
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Explanation sequence:
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Content objective: Students should be able to Knowledge structures: ________________ + cause-effect Text structure: Language objective: Students should be able to
Permission for others to use it or reprint it should be sought from the author(s).
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Permission for others to use it or reprint it should be sought from the author(s).
2. ___________________________________________________________ allows gaseous
exchange to take place quickly and easily in the lungs.
Permission for others to use it or reprint it should be sought from the author(s). Tissue respiration Read the section on tissue respiration Copy the word equation for anaerobic respiration below:
Now use the example of aerobic respiration in the reading to write what this equation means: This word equation for anaerobic respiration means:
Now read the explanation of anaerobic respiration in humans and write a word equation below:
Definitions Definition of aerobic respiration: Aerobic respiration is the process by which glucose is broken down to release energy in the presence of oxygen. Now use the definition of aerobic respiration above to write a definition of anaerobic respiration:
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Use the information in this section to write a definition of respiration:
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Content objectives:
1. Students should be able to explain what the
word equations of anaerobic respiration in general and in humans mean.
2. Students should be able to _________________
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Knowledge structure: Language objectives: Students should be able to use the following sentence structure to write a definition:
Permission for others to use it or reprint it should be sought from the author(s).
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Points of comparison:
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Summary of comparison:
Aerobic respiration and anaerobic respiration in humans take place in different conditions and
produce _____________ products as according to the needs of the situations.
Respiration and photosynthesis in plants Read the section on Respiration and photosynthesis in plants. Write a comparison-contrast text to explain the differences of gaseous exchange in plants under different light conditions. Remember, you are comparing the differences in gaseous exchange in plants under different light conditions but not comparing respiration and photosynthesis in plants. Use the information in the table in the reading passage to help you. Content objective: Knowledge structure: The table above shows 3 points of comparison. Write one to two sentences to compare each point.
Permission for others to use it or reprint it should be sought from the author(s). Statement of comparison:
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Points of comparison:
In bright light, such as on a sunny day, ____________________________________________
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In darkness, such as at night, ____________________________________________________
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In dim light, _________________________________________________________________
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Text structure: Language objective(s): Start with a sentence stating that both respiration and photosynthesis involve gaseous exchange. Then state the difference in the conditions under which gaseous exchange takes place in respiration and photosynthesis. In this part, compare the rates of respiration and photosynthesis, and the amount of intake and release of gases in different light conditions. Write about each light condition in a separate paragraph.
