Page 18 - 新思维科学活动用书8 样章

1.4 Respiration

Practice

3 Predict what will happen to the temperature of the mixture in the cup.
Explain your prediction.

Prediction

Explanation

4 Sofia has missed out something very important from her experiment.
What has she missed out?

Look at what Sofia is trying to find out.
Think about what she needs to do to be sure any temperature change she measures is due only to
the yeast respiring.

Challenge

5 Describe how Sofia could use her apparatus to test this hypothesis:

The more sugar the yeast is given, the faster it will respire.

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