Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Absolute zero
16 practice questions
Practice questions
1–8 of 8 · Easy
Question 1
1 mark · Easy
Answer and see the solution →State the value of absolute zero on the Celsius scale.
Question 2
1 mark · Easy
Answer and check →Which statement correctly describes absolute zero?
- A.The temperature at which water freezes.
- B.The lowest temperature possible, where particles have minimum energy.
- C.The temperature at which gases expand most quickly.
- D.The temperature at which metals melt.
Question 3
1 mark · Easy
Answer and see the solution →Write the equation that converts a temperature from Celsius to Kelvin.
Question 4
1 mark · Easy
Answer and check →A scientist cools a gas sample to -10 °C. What is this temperature in Kelvin?
Question 5
1 mark · Easy
Answer and check →The temperature inside a refrigerator is 275 K. What is this temperature in degrees Celsius?
Question 6
2 marks · Easy
Answer and see the solution →Explain why scientists use the Kelvin scale, rather than the Celsius scale, when working with gas laws.
Question 7
1 mark · Easy
Answer and see the solution →A block of ice is stored at absolute zero. Describe the energy of its particles at this temperature.
Question 8
1 mark · Easy
Answer and check →The melting point of iron is 1535 °C. What is this temperature in Kelvin?