Page 28 - 新思维科学学生用书8 样章

1.4 Respiration

Activity 1.4.1

Thinking about a thermogram
This photograph is a thermogram of a woman working

at her computer.
The colours on the photograph show the temperatures

of the different objects.

In a group of three, think about the photograph, and
discuss these questions. Be ready to share your ideas.
1 Which object in the photograph has the highest
temperature? Can you suggest why?

2 What is the approximate temperature of most of the woman’s body?
3 Explain why the woman’s body has a higher temperature than the chair she is
sitting on.

Activity 1.4.2

Explaining the difference between breathing and respiration
Many people who have not studied science think that respiration and breathing
mean the same thing.

In your group of three, think about the meanings of these two words. (Look at Topic
1.3 to remind yourself about breathing.) Think of a good way of explaining the

differences between respiration and breathing, to someone else.
Choose one of these methods to give your explanation:

• making a poster
• producing a slide presentation
• giving an illustrated talk.

Decide how to share the tasks between you, and then work on your explanation.
Self-assessment
How well did you do each of these things as you worked on this activity?

• I made sure that I really understood the difference between breathing and
respiration.
• I helped to decide which method we would use to give our explanation.
• I carried out my part of the task really well.

• I helped others in my group to carry out their tasks.

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