Froggy Jumps Energy Applications Quiz (Form 4, Physics)Version en ligne Test your knowledge on the various applications and uses of energy! par YAKILI LMS 1 What is heat? a Transfer of thermal energy b A type of sound c A form of light 2 Why is heat important in everyday life? a It creates electricity b It helps in cooking and heating c It cools objects 3 Which device is used to measure heat? a Hygrometer b Thermometer c Barometer 4 What is the process of heat transfer through direct contact? a Convection b Radiation c Conduction 5 Which method of heat transfer involves fluids? a Convection b Conduction c Reflection 6 What is an example of radiation? a Boiling water b Touching hot objects c Sunlight reaching Earth 7 In which state of matter does heat cause particles to move faster? a Solid, liquid, and gas b Only solids c Only gases 8 How does heat affect the expansion of materials? a Materials expand when heated b Materials contract when heated c No change occurs 9 Which of these is a good insulator of heat? a Metal b Glass c Wood 10 What is the main source of heat in our planet? a The Sun b The Moon c Earth's core 11 What equipment is commonly used to measure temperature? a Hygrometer b Barometer c Thermometer 12 Which device is used to generate heat in experiments? a Bunsen burner b Ammeter c Voltmeter 13 What instrument measures the amount of heat transferred? a Barometer b Thermometer c Calorimeter 14 Which equipment is used to hold substances during heating? a Pipette b Beaker c Test tube 15 What is used to insulate heat in experiments? a Heat insulator b Thermometer c Conductor 16 Which device helps in measuring the rate of heat transfer? a Hygrometer b Barometer c Thermocouple 17 What equipment is used to measure the pressure of gases? a Barometer b Manometer c Thermometer 18 Which tool is used to observe heat effects visually? a Microscope b Spectrometer c Infrared camera 19 What is used to prevent heat loss during experiments? a Thermometer b Insulating material c Conductor 20 Which equipment is used to transfer heat by conduction? a Glass beaker b Metal rod c Plastic container 21 What should you always wear when working with physics equipment? a Casual clothes b Safety goggles c Sandals 22 What does a yellow triangle sign typically indicate? a Warning b Prohibition c Information 23 Which symbol indicates that you should not touch a hot surface? a A cold snowflake b A lightning bolt c A hand with heat waves 24 What is the meaning of a red circle with a line through it? a Prohibition or 'Do not' sign b Warning c Mandatory 25 Why is it important to follow safety signs in the lab? a To prevent accidents and injuries b To save time c To look professional 26 What does a blue circle with a white arrow usually mean? a Warning b Mandatory action c Prohibition 27 Which sign indicates that you should wear gloves? a A helmet icon b A shoe icon c A hand with gloves icon 28 What does a sign with a lightning bolt warn about? a Chemical hazard b Fire hazard c Electrical hazard 29 What is the purpose of safety symbols in physics labs? a To communicate hazards clearly b To decorate the lab c To follow rules only 30 What should you do if you see a safety sign you do not understand? a Ask a supervisor or instructor b Proceed anyway c Ignore it 31 What is the main difference between heat and temperature? a Heat is energy transfer; temperature measures hotness. b Heat measures hotness; temperature is energy transfer. c They are the same thing. 32 Which one is a form of energy transfer? a Both b Heat c Temperature 33 What does temperature measure? a Speed of particles b Hotness or coldness of an object c Amount of heat energy 34 Can heat exist without temperature? a Yes, heat can exist independently. b No, heat transfer depends on temperature difference. c Only in gases. 35 Which unit is used to measure temperature? a Joules b Watts c Celsius, Fahrenheit, or Kelvin 36 What happens to temperature during heat transfer? a It can increase or decrease. b It remains constant. c It always increases. 37 Which process involves heat transfer without a change in temperature? a Cooling b Heating c Phase change (like melting or boiling) 38 Is temperature a form of energy? a No, it measures energy but is not energy itself. b Only in specific states. c Yes, it is energy. 39 Which increases when heat is added to an object? a Temperature (if the object is not changing phase) b Size c Mass 40 In which state of matter does heat transfer primarily affect temperature? a Only gases b Only solids c Solids, liquids, and gases 41 What factor primarily affects the temperature change of a material? a Color of the material b Material weight c Heat transfer 42 Which method of heat transfer involves direct contact? a Convection b Radiation c Conduction 43 What role does insulation play in temperature change? a Has no effect b Reduces heat transfer c Increases heat transfer 44 Which factor can increase the temperature of a material? a Cooling b Reflecting heat c Absorbing heat 45 How does the color of a material affect its temperature change? a Light colors absorb more heat b Dark colors absorb more heat c Color has no effect 46 What is the effect of increasing the surface area exposed to heat? a Speeds up temperature change b No effect c Slows down temperature change 47 Which factor influences how quickly a material heats up? a Thermal conductivity b Material weight c Material color 48 What does high thermal conductivity in a material mean? a It heats up slowly b It heats up quickly c It cools down quickly 49 How does the initial temperature of a material affect its temperature change? a It influences the rate of change b It only affects cooling c It has no effect 50 Which factor affects the rate of cooling of a hot object? a Object's shape b Surrounding temperature c Object's color
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