Page 19 - 新思维科学学生用书6 样章

1 The human body

Activity 2

Identify other factors that affect pulse rate

You have found out that exercise affects pulse rates.

What other factors can affect pulse rates?
How do these factors affect pulse rates?

Do some research to find the answers.
Report back to the class on your findings.

Think like a scientist 3

Ask and investigate a question
You have investigated how exercise affects pulse rates. With a

partner, think of other questions about heartbeats and pulse

rates that you would like to find the answers to. Decide on the
type of investigation you will use to answer your questions:

for example, a fair test, doing research or observing over time.

Find out the answers to your questions.
Make a presentation to share with the class about your findings.

What did I do to help my group in the practical tasks?
Why did I choose to help them in this way?

18