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PIMSO 2022 - Science - Grade 6 - National Round Question 12

PIMSO Science · PIMSO 2022 - Science - Grade 6 - National Round

Question 12

Rice is a staple not only in the Philippines but in most south-east Asian countries as well. It is typically washed well before cooking. Rice is typically added with the same volume of water. Once the water starts to boil at 100 °C, it is advised to lower the heat, while maintaining the boiling, until the rice cooks. What happens to the temperature while the water is boiling?

Question illustration

Image: gran, own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=10216705
  1. increases
  2. stays constant
  3. decreases
  4. fluctuates between 90 and 100 C
  5. Cannot be determined