9 Scientific Process and Advancement Unit 5 The Road to Science Inquiry
1 How can we gain scientific knowledge through science inquiry?
1. Start with observation and asking questions
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Look! The lemon tea does not overflow after the ice has melted.
This glass of lemon tea is nearly full. Ice is floating on the top. When the ice melts, will the lemon tea overflow?
Observation and asking questions
10 minutes later
4. Analyse and reflect on the result
When water freezes, the level of ice surface rises. When the ice melts, the water level drops to its original level. This proves your hypothesis.
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Analysis and reflection
There are ways to improve this experiment. For example, it is not accurate enough to mark the water level with a rubber band. Also, …
Is our test result accurate?
If there is not enough evidence to support the original hypothesis, what should we do?
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