physics-paper 1 ⚡

• What is the focus of the video discussed?

  Topics assessed in physics paper 1
• Why is it important to write in black pen during exams?

  To ensure answers are scanned correctly
• What should you do if you write outside the box on the exam paper?

  Your work may not be seen by the examiner
• What units should be used for calculations in the exam?

  SI units
• What should you watch out for in exam questions regarding mass?

  Mass may be given in grams instead of kilograms
• How should you format answers for extended response questions?

  Use bullet points for clarity
• What is required when you see the command word "evaluate"?

  Provide both sides of the question
• What should you include when given a table with data?

  Don't just quote values; write a conclusion
• What is a closed system in terms of energy?

  No energy can enter or leave the system
• How is energy measured?

  In joules with a capital J
• What is the equation for gravitational potential energy?

  Potential energy = mass × gravitational field strength × height
• What is the difference between repeatable and reproducible experiments?

  Repeatable uses the same method; reproducible uses different methods
• What is the resolution in terms of measurements?

  The smallest difference in results identifiable
• What type of errors are caused by poorly calibrated equipment?

  Systematic errors
• What is a zero error?

  When equipment reads incorrectly without any load
• How do you account for random errors in measurements?

  Make multiple readings and calculate a mean
• What percentage of marks in science papers is allocated to math skills?

  20% of total marks
• What is the significance of the appendix 9 in the specification?

  It lists all assessable base units
• How many centimeters are in a meter?

  100 centimeters
• What is the exception to the thousand times conversion rule?

  Centimeters to meters conversion
• What is the unit for power?

  Watts
• What is the unit for density?

  Kilograms per meter cubed
• How do you calculate specific heat capacity?

  Divide energy by mass and temperature change
• What does the triangle symbol represent in equations?

  Change in a quantity
• What is specific heat capacity?

  Energy needed to raise 1 kg by 1°C
• What should you do if the mass is not one kilogram in a practical?

  Adjust calculations accordingly
• How should you present a method for a practical?

  In a logical flow using numbered instructions
• What is the purpose of insulation in experiments?

  To ensure accurate data collection
• Why is it important to write clearly and legibly in exams?

  To ensure your answers are understood
• Why is checking units in calculations important?

  To ensure accuracy in your answers
• How should you ensure logical flow in practical methods?

  Use numbered steps for clarity
• What are the methods of energy transfer in physics?

  Heating, mechanically, electrically, and by radiation
• What are the types of energy stores?

  Magnetic, kinetic, thermal, gravitational, chemical, elastic, electrostatic, nuclear
• What is the significance of a justified conclusion in evaluation questions?

  It helps achieve higher marks in assessments
• What is the difference between mass and weight?

  Mass is the amount of matter; weight is force
• Why is it important to practice calculations with different units?

  To prepare for various exam question formats
• What are the implications of systematic and random errors?

  They affect the accuracy and reliability of results
• What must you calculate to find the change in temperature?

  The difference between starting and ending temperatures
• In what unit must mass be for calculations?

  Kilograms
• What is the purpose of the required practical involving specific heat capacity?

  To find out energy needed to heat one kilogram