Froggy Jumps Physical Quantities Quiz (Form 3, Physics)Online version Test your knowledge on physical quantities with this fun quiz! by YAKILI LMS 1 What is the SI unit of mass? a Pound b Gram c Kilogram 2 What does the symbol 'm' represent in physics? a Millimeter b Meter c Mile 3 Which quantity measures the amount of substance? a Gram b Mole c Liter 4 What is the unit of force in the SI system? a Pascal b Joule c Newton 5 What does 'V' stand for in physics? a Velocity b Voltage c Volume 6 What is the SI unit of temperature? a Kelvin b Fahrenheit c Celsius 7 Which quantity is defined as mass per unit volume? a Weight b Pressure c Density 8 What is the unit of energy in the SI system? a Joule b Newton c Watt 9 What does 't' represent in the equation for speed? a Torque b Time c Temperature 10 Which of the following is a fundamental physical quantity? a Force. b Mass. c Velocity. 11 What unit is used to measure length in the SI system? a Second. b Kilogram. c Meter. 12 Which physical quantity is measured in joules? a Energy. b Temperature. c Mass. 13 What is the SI unit for electric current? a Ohm. b Volt. c Ampere. 14 Which of the following is a derived physical quantity? a Velocity. b Length. c Time. 15 What does the term 'scalar' refer to in physical quantities? a A quantity with magnitude only. b A quantity with both magnitude and direction. c A quantity with direction only. 16 What is the unit of pressure in the SI system? a Pascal. b Bar. c Newton. 17 Which physical quantity is defined as the rate of change of velocity? a Speed. b Momentum. c Acceleration. 18 What is a physical quantity? a A property that can be measured. b A theoretical concept. c A mathematical constant. 19 What is the SI unit of time? a Second. b Hour. c Minute. 20 Which quantity measures the amount of matter in an object? a Mass. b Weight. c Volume. 21 What is the unit of electric current in the SI system? a Volt. b Ampere. c Ohm. 22 What unit is used to measure temperature in the SI system? a Kelvin b Fahrenheit c Celsius 23 Which quantity is derived from mass and acceleration? a Energy b Pressure c Force 24 Which of the following is a derived quantity? a Length b Mass c Velocity 25 Which of the following is NOT a physical quantity? a Temperature b Happiness c Pressure 26 What should you always wear when operating heavy machinery? a Flip-flops b Short sleeves c Safety goggles and gloves 27 Which of the following is a key rule for using electrical equipment? a Keep equipment dry b Ignore frayed wires c Use with wet hands 28 Before using any lab equipment, you should always: a Ask a friend b Skip the manual c Read the instruction manual 29 What is the purpose of grounding electrical equipment? a Increase power b Prevent electric shock c Make it portable 30 When handling chemicals, you should always: a Use protective gear b Avoid gloves c Wear shorts 31 What should you do if you spill a chemical? a Wipe it with a cloth b Follow the spill response procedure c Leave it 32 What is a common safety measure for using sharp tools? a Cut towards your body b Use without caution c Cut away from your body 33 Why is it important to keep your workspace clean? a To impress others b To prevent accidents c To look busy 34 What should you do if you notice a malfunctioning tool? a Try to fix it yourself b Continue using it c Report it immediately 35 Which of the following is NOT a safety rule? a Follow safety signs b Wear appropriate clothing c Ignore safety signs 36 What defines a scalar quantity? a It is always positive. b It has both magnitude and direction. c It has only magnitude. 37 Which of the following is a vector quantity? a Temperature b Velocity c Mass 38 What is an example of a scalar quantity? a Distance b Force c Acceleration 39 Which quantity requires direction for its complete definition? a Volume b Displacement c Speed 40 What is the unit of a vector quantity? a Joule b Kilogram c Newton (for force) 41 Which of the following is NOT a scalar quantity? a Weight b Time c Energy 42 What does the term 'magnitude' refer to? a The size or quantity of a scalar or vector. b The unit of measurement c The direction of a vector 43 Acceleration is classified as which type of quantity? a Constant quantity b Scalar quantity c Vector quantity 44 Which of the following describes a scalar quantity? a It can be fully described by a single number. b It requires a coordinate system. c It can change direction. 45 What is the primary difference between scalars and vectors? a Scalars have units; vectors do not. b Vectors have direction; scalars do not. c Vectors are always larger than scalars. 46 What is the formula to convert Celsius to Kelvin? a K = °C + 273.15 b K = °C - 273.15 c K = °C * 273.15 47 What is 0 degrees Celsius in Kelvin? a 273.15 K b 0 K c 100 K 48 How do you convert Kelvin back to Celsius? a °C = K - 273.15 b °C = K + 273.15 c °C = K * 273.15 49 What is the absolute zero temperature in Kelvin? a 273.15 K b 0 K c -273.15 K 50 What is 100 degrees Celsius in Kelvin? a 200 K b 100 K c 373.15 K