Science of the Experiment – Planning and Drawing Conclusions

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1. Question 1

   Multiple choice

   To make the eggshell experiment a fair test, what should be kept the same for all eggshells?

2. Question 2

   Multiple choice

   In the eggshell experiment, what is the VARIABLE (what we change on purpose)?

3. Question 3

   Multiple choice

   After 3 days, the eggshell in cola is soft and the one in water is unchanged. What conclusion can you draw?

4. Question 4

   True or false

   In a fair test, you change only one variable at a time so the results are reliable.

5. Question 5

   Matching

   Match each part of the scientific method to its role in the eggshell experiment.

More exercises in this module

• Digestive Organs – Know Your System

• The Eggshell Experiment – Testing How Drinks Affect Teeth

• Why We Chew – Mechanical vs Chemical Digestion

• Nutrients and Waste – What the Body Keeps and Removes

• Tooth Decay – How Cavities Form and How to Prevent Them

• Drink Choices and Teeth – What the Experiment Tells Us