Ontario Secondary School Diploma (OSSD) · Science (Grades 11 and 12)

Physics and Earth Science

20 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 20 questions

  1. What is the SI unit of force?
  2. A car travels 150 km in 2.5 hours at a constant speed. What is its speed?
  3. A cyclist accelerates uniformly from rest to 24 m/s in 6.0 s. What is the acceleration?
  4. A 10 kg crate is pushed with 30 N against 10 N of friction. What is its acceleration?
  5. A stone is dropped from rest and falls for 3.0 s (g = 9.8 m/s^2, no air resistance). How far does it fall?
  6. What is the kinetic energy of a 2.0 kg object moving at 5.0 m/s?
  7. A ball rolls horizontally off a 19.6 m high cliff at 20 m/s (g = 9.8 m/s^2). How far from the base does it land?
  8. A 12 V battery drives current through a 4.0 ohm resistor. What is the current?
  9. Resistors of 6.0 ohm and 3.0 ohm are connected in parallel. What is the equivalent resistance?
  10. A 1500 W kettle runs for 2.0 minutes. How much energy does it use?
  11. A 1200 kg car travelling at 20 m/s brakes to a stop over 40 m with a constant force. What is the braking force?
  12. A wave has a frequency of 5.0 Hz and a wavelength of 2.0 m. What is its speed?
  13. A 0.50 kg ball moves at 8.0 m/s. What is its momentum?
  14. A light ray in air hits a flat mirror at 30 degrees to the normal. What is the angle of reflection?
  15. A light ray passes from air into glass at an angle. What happens to its path?
  16. Which type of electromagnetic radiation has the longest wavelength?
  17. Which gas released by burning fossil fuels is the largest contributor to human-caused climate warming?
  18. Which geological region covers much of northern Ontario?
  19. What typically forms where two tectonic plates move toward each other?
  20. In a food chain, producers hold 10 000 kJ. Using the 10 percent rule, how much energy reaches tertiary consumers?

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