Page 23 - Science Tour 2

Interact

In the Lab:

You will need:

• a watch

• a stethoscope

Steps:

1. Use the stethoscope to listen to your heartbeats.

2. Look at the watch and count the number of heartbeats

per minute.

3. Jump for 3 minutes.

4. Repeat step number 2.

5. Is there a difference?

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