Medium SOF National Science Olympiad (NSO/ISO) · NSO Level 1 · . Sample What is the SI unit of force? A Joule B Newton C Watt D Pascal Submit Answer Show Explanation Mark as Completed Mark as Important Mark for Review
Which part of the human eye contains light-sensitive cells (rods and cones) and forms the image? SOF National Science Olympiad (NSO/ISO) . Hard · Biology · 2026 See Explanation
A car travels 300 km in 4 hours. What is its average speed? SOF National Science Olympiad (NSO/ISO) . Medium · Physics · 2026 See Explanation
Why does a body weigh slightly less at the equator than at the poles? SOF National Science Olympiad (NSO/ISO) . Medium · Physics · 2025 See Explanation
In which medium does sound travel fastest? SOF National Science Olympiad (NSO/ISO) . Medium · Physics · 2026 See Explanation
Find the mass of 0.5 mole(s) of sodium hydroxide (NaOH). (Molar mass = 40 g/mol) SOF National Science Olympiad (NSO/ISO) . Medium · Chemistry · 2024 See Explanation