Heat and Matter
Quiz by Tricia Holland
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28 questions
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- Q1What factors influence the total thermal energy of a system besides its temperature?The number of atoms in the system and their molecular weightsThe boiling points and freezing points of the elements that make up the substances in the systemThe number of atoms in the system and conductivity of the materialThe temperature of the system’s environment and its location in that environment30s
- Q2What occurs to water molecules when a large quantity of thermal energy is added to liquid water?Each water molecule gives up kinetic energy and eventually stops moving.The water molecules become packed closer together, and their temperature increases.The molecules gain kinetic energy, move farther apart, and become a gas.The more thermal energy added, the greater the attraction between molecules.30s
- Q3In scientific terms, how is 'heat' defined?The motion of atoms or molecules within a substanceThe average kinetic energy of the system as a wholeThe transfer of thermal energy from one object to anotherThe average temperature of a system over time30s
- Q4What will NOT occur when thermal energy is removed from a sample of helium?The temperature of the system will decrease.Total energy in the system increases.The molecules of the system will lose kinetic energy.The molecules will become more packed.30s
- Q5What happens to temperature and average kinetic energy of a system when thermal energy is removed?Temperature increases, average kinetic energy decreasesTemperature increases, average kinetic energy increasesTemperature decreases, average kinetic energy increasesTemperature decreases, average kinetic energy decreases30s
- Q6Which term refers to the measure of the average kinetic energy of the particles in a substance?HeatPotential EnergyThermal EnergyTemperature30s
- Q7What is the total energy of all the particles in a substance due to their motion and position?Kinetic EnergyHeatThermal EnergyTemperature30s
- Q8What is the transfer of thermal energy from one object to another due to a temperature difference?Thermal EnergyHeatPotential EnergyKinetic Energy30s
- Q9Which of the following best defines heat?The energy an object has due to its positionThe measure of particle motionThe transfer of thermal energyThe energy stored in an object30s
- Q10What happens to the kinetic energy of particles in a substance as it is heated?It disappearsIt increasesIt remains the sameIt decreases30s
- Q11Which of the following statements best describes temperature?It is another term for heatIt is the total thermal energy in a substanceIt is a measure of the average kinetic energy of particlesIt is the energy stored due to an object's position30s
- Q12Which form of energy is associated with the vibrations and movements of atoms and molecules?Kinetic EnergyThermal EnergyPotential EnergyHeat30s
- Q13Which term describes the energy of an object due to its motion?Thermal EnergyKinetic EnergyHeatPotential Energy30s
- Q14In which direction does heat transfer naturally occur?In any directionFrom hot to coldFrom cold to hotOnly upwards30s
- Q15What is the process called when heat is transferred through a fluid (liquid or gas)?RadiationConductionInsulationConvection30s